Media Kit Builders and Rate Card Tools: The Complete 2026 Guide

Introduction

A media kit is a professional document that showcases your value to potential sponsors. A rate card lists what you charge for different content types. Together, media kit builders and rate card tools help creators, influencers, and publishers land sponsorships faster.

In 2026, creators have more power than ever. But only if they present themselves professionally. Generic pitch emails don't work anymore. Sponsors want to see data, audience insights, and clear pricing upfront.

This guide covers everything you need to know about media kit builders and rate card tools. You'll learn what makes a strong media kit. You'll discover how to price your content strategically. And you'll find the best tools to build and manage both.

According to the Influencer Marketing Hub's 2026 report, creators with professional media kits receive 3.5x more sponsorship inquiries than those without. That's why these tools matter so much.

Quick stat: 78% of brands now expect creators to provide rate cards before negotiating. Having one ready gives you an instant advantage.

What Are Media Kits and Rate Cards? (2026 Edition)

Understanding Media Kits in Today's Creator Economy

Media kits have evolved dramatically since 2020. Back then, they were static PDFs sent via email. Today, they're interactive, data-rich presentations that live online.

A media kit shows sponsors who you are and why they should work with you. It includes your follower count, engagement rate, audience demographics, and past brand partnerships.

Modern media kit builders and rate card tools let you create these in minutes. No design skills needed. Templates handle the heavy lifting. You just add your data and customize colors to match your brand.

Different platforms need different approaches. A podcast media kit emphasizes listener demographics and download numbers. A YouTube media kit highlights watch time and audience retention. A newsletter media kit focuses on subscriber count and open rates.

In 2026, brands expect third-party verification of your metrics. Screenshots from Instagram Insights or YouTube Analytics matter. So do case studies showing real campaign results.

The Role of Rate Cards in Sponsorship Negotiations

Rate cards remove guesswork from pricing negotiations. They show exactly what you charge for different deliverables. This builds trust and speeds up the sales process.

A rate card might show: - $2,000 for a single Instagram post - $5,000 for three posts plus five Stories - $8,000 for a video collaboration

These concrete numbers make negotiations easier. Brands know what to expect. You avoid underpricing your work.

Dynamic rate cards are trending in 2026. These adjust based on timing, exclusivity, and partnership type. An early-bird rate might be 10% cheaper. An exclusive partnership costs 50% more.

Performance-based pricing is becoming popular too. You charge less upfront but earn bonuses if the campaign hits specific goals. This aligns your interests with the brand's success.

How Media Kits and Rate Cards Work Together

Your media kit is the story. Your rate card is the price tag. Together, they're a complete sponsorship package.

The best approach: Put your rate card inside your media kit. When brands read about your value, they immediately see what you charge. No back-and-forth emails asking "How much do you cost?"

Some creators keep a public media kit and a confidential rate card. This lets you adjust pricing per brand without everyone knowing your rates.

Professional media kit builders and rate card tools make this easy. They let you generate rate cards, embed them in your media kit, and update both whenever metrics change.

Essential Components of Professional Media Kits

Core Sections Every Media Kit Should Include

Start with the basics. Every strong media kit needs these elements:

Your Story: A 2-3 sentence bio. Explain who you are and what you create. Make it personal but professional.

Audience Numbers: Total followers, subscribers, or listeners. Monthly impressions. Email list size. These numbers matter to sponsors.

Engagement Metrics: Your average engagement rate across posts. Comments per post. Click-through rates if applicable. Engagement rate matters more than follower count in 2026.

Audience Demographics: Age range, gender split, geographic location, interests. This tells sponsors if your audience matches their target customer.

Content Categories: What do you create? Fashion tips? Tech reviews? Financial advice? Be specific about your niches.

Past Brand Partnerships: List 5-10 brands you've worked with. Include results if you can. "Achieved 15,000 clicks for Brand X" is powerful.

Professional Photo or Video: Include a headshot or short intro video. This puts a face to your name.

Mobile-responsive design is non-negotiable. 60% of sponsors will view your media kit on phones. If it looks bad on mobile, they'll move on.

Advanced Components That Set You Apart

These features separate pros from beginners:

Audience Segmentation: Break down your audience by interest. Maybe 40% care about fitness, 30% about nutrition, 30% about wellness. Brands love specific targeting options.

Third-Party Verification: Screenshot your analytics directly from platforms. Use tools like Sprout Social or Later to verify numbers. This builds credibility instantly.

Content Calendar: Show your posting schedule. Tell brands when you publish and what topics you cover. This helps them plan campaigns around your content themes.

Video Media Kit: Create a 1-2 minute video introducing yourself. Mention your metrics and niche. This personal touch increases response rates by 40%.

Exclusivity and Terms: Be clear about partnership limits. Will you promote competitor products? How many sponsored posts monthly? Transparency prevents future conflicts.

Deliverables Breakdown: List exactly what brands get. "One Instagram carousel post" vs. "Five Instagram Stories plus one carousel post." Specificity prevents misunderstandings.

Performance Guarantees: Promise minimum engagement rates or traffic numbers if you can confidently deliver. This shows confidence and attracts serious brands.

Visual Design and Presentation Elements

Your media kit represents your brand. Design matters as much as content.

Use consistent colors throughout. Pick 2-3 colors maximum. They should match your personal brand and be easy on the eyes.

Include your logo prominently but don't overdo it. Your logo should appear on the cover and once more at the bottom.

Use professional photography. Blurry selfies or low-quality images hurt your credibility. Invest in a professional headshot if you can.

Typography should be clean and readable. Avoid fancy fonts that are hard to read. Two simple fonts (one for headings, one for body text) works perfectly.

Data visualization matters. Charts and graphs make statistics easier to understand. A bar chart showing your growth over time is more powerful than saying "I grew 50%."

Interactive elements can boost engagement. Clickable buttons linking to your best content. A button to book a call. These add polish to digital media kits.

Accessibility is now a requirement. Use proper contrast between text and background colors. Include alt text for images. This helps people with visual impairments and also improves your media kit's searchability.

Rate Card Best Practices and Strategy (Updated for 2026)

Pricing Your Content: Setting Competitive Rates

Pricing is personal. What you charge depends on several factors.

Follower Count: More followers generally means higher rates. But it's not the only factor.

Engagement Rate: A creator with 50,000 followers and 2% engagement might charge less than someone with 10,000 followers and 8% engagement. Brands care about real interactions.

Niche and Audience Quality: Beauty influencers on Instagram might charge $500 per post. Enterprise software influencers on LinkedIn might charge $2,000 for a single recommendation. The audience's purchasing power matters.

Content Type: A short Instagram post costs less than a 5-minute YouTube video or podcast episode. Video takes more time and production.

Platform: TikTok rates are typically lower than YouTube rates. Instagram rates are higher than TikTok. LinkedIn B2B rates are the highest overall.

Here's what competitive rates look like in 2026:

Instagram: - 10K-50K followers: $200-$800 per post - 50K-200K followers: $800-$3,000 per post - 200K+ followers: $3,000-$10,000+ per post

YouTube: - 10K-100K subscribers: $1,000-$5,000 per video - 100K-500K subscribers: $5,000-$15,000 per video - 500K+ subscribers: $15,000-$50,000+ per video

Podcasts: - Shows averaging 10K-50K downloads: $2,000-$5,000 per episode - Shows averaging 50K-200K downloads: $5,000-$15,000 per episode - Major shows 200K+ downloads: $15,000-$50,000+ per episode

Newsletters: - 10K-50K subscribers: $500-$2,000 per sponsorship - 50K-200K subscribers: $2,000-$5,000 per sponsorship - 200K+ subscribers: $5,000-$15,000+ per sponsorship

According to Influencer Marketing Hub's 2026 benchmarking data, CPM (cost per thousand impressions) ranges from $5-$25 depending on niche and platform.

Seasonal demand affects pricing. Holiday seasons and back-to-school periods command premium rates. Summer months often see lower demand.

Dynamic Rate Card Strategies

Static rates don't work anymore. Smart creators use dynamic pricing strategies.

Tiered Pricing: Offer three options—starter, standard, and premium. A starter package might be one post. Standard could be three posts plus Stories. Premium might include an unboxing video and Stories.

Brands can choose based on budget. This increases your chances of landing deals because you offer options.

Limited-Time Promotions: "Book before March 31st and get 20% off." This creates urgency. Brands move faster when they think rates are rising.

Exclusivity Premiums: Charging 50% more if a brand wants exclusive access to your audience in their category. If they're the only fitness brand you promote, they pay a premium.

Package Deals: "Three posts plus Stories for $6,000" is cheaper per post than buying each separately. But you earn more total revenue. Brands like the value. Everyone wins.

Engagement-Based Pricing: "If this post gets 10,000+ comments, charge 20% more." This aligns your incentives with the brand's goals.

Seasonal Pricing: Higher rates during peak seasons. Lower rates during slow periods. This balances demand throughout the year.

Negotiation Framework: Know your walk-away price. If a brand offers 30% below your rate, consider it. But don't go below 50% of your listed rate. You devalue your work when you drop too low.

According to a 2026 Creator Economy report, successful creators increase rates an average of 15-20% yearly. Track your metrics and adjust pricing accordingly.

Rate Card Transparency and Legal Considerations

Transparency builds trust. But you don't need to share everything.

What to Include: Your rates for different content types. What's included in each package. Your timeline for creating content. Payment terms. Revision policy.

What to Keep Private: Your bottom line. Special rates negotiated for specific brands. Confidential client information.

International Considerations: If you work with global brands, show rates in multiple currencies. Note that rates may vary by region.

Legal and Compliance: Include FTC disclosure requirements in any written materials. State that content will be clearly labeled as sponsored. Mention your contract terms.

Payment Terms: Specify whether you require 50% upfront or full payment before posting. When invoices are due. What payment methods you accept.

Refund and Revision Policies: Are revisions included? How many rounds of edits? What happens if a brand cancels? Being clear prevents disputes.

Digital media kit builders and rate card tools help manage these details. Many include templates for terms and conditions.

Media Kit Builders and Rate Card Tools Comparison

Top Media Kit Builders and Rate Card Tools in 2026

InfluenceFlow (Forever Free)

InfluenceFlow is built by creators, for creators. The entire platform is free. No credit card required. No surprise charges ever.

Features include: - Customizable media kit templates for every content type - Built-in rate card generator with tiered pricing - Professional design options without design skills - Digital contract templates for sponsor agreements - Payment processing and invoicing tools - Campaign management system for tracking deals - Creator discovery for brands looking to hire you

Perfect for creators just starting out. Also ideal for established influencers who want to consolidate tools. Using free media kit templates saves hours of design work.

Competitor Tools

Other platforms offer media kit building, but most charge monthly fees. Some require annual commitments. InfluenceFlow remains unique in offering everything free.

Other options include Linktree for simple media kit pages, Carrd for custom websites, and platform-specific tools like Substack for newsletters. Each has pros and cons.

Feature Comparison Matrix

InfluenceFlow offers the most features at the best price point. You get everything in one place without paying monthly.

Choosing the Right Tool for Your Vertical

Different content types need different approaches.

Podcasters need tools that emphasize listener demographics, download numbers, and episode frequency. Rate cards should show pricing per episode and bundle deals for sponsorships.

Newsletter Creators prioritize subscriber count, open rates, and click-through rates. Rate cards focus on sponsorship placement options (top of email, bottom, dedicated section).

YouTube Creators highlight watch time, audience retention, and click-through rates. Rate cards include per-video pricing and series discounts.

TikTok and Instagram Creators emphasize engagement rate, save rate, and viral potential. Rate cards often use lower rates but offer volume and package deals.

SaaS and B2B Creators focus on decision-maker targeting and account quality. Pricing is usually higher because audiences have more purchasing power.

Content Agencies need tools supporting multiple creators. White-label options matter. Client dashboards for tracking campaigns are essential.

Using creator profile optimization tools ensures your media kit matches your content type's expectations.

Step-by-Step Guide to Creating Your Media Kit and Rate Card

Planning and Data Collection Phase

Before building, gather everything you need.

Step 1: Audit Your Metrics

Log into your platform analytics. Record your follower count, engagement rate, reach, impressions, and click-through rates. These are your foundation.

Engagement rate is calculated as: (Total Engagements / Total Followers) × 100. Instagram engagement rates average 1-3%. TikTok averages 3-5%. Higher is better.

Step 2: Identify Your Audience

What is your audience's age range? Where are they located? What are their interests? Brands need this information to decide if you're a fit.

Screenshot your audience demographics from platform analytics. Save these images for your media kit.

Step 3: Research Competitor Rates

Find 10 creators similar to you (same niche, similar follower count). Check what they charge. This gives you a market baseline. Never copy exact rates, but use them as reference points.

Step 4: Gather Testimonials

Email past brand partners. Ask for a short testimonial about working with you. Something like: "Working with [You] was fantastic. The campaign exceeded our goals by 30%." Include their name and company logo.

Step 5: Document Past Campaigns

List brands you've worked with. Include campaign results if possible. "Drove 25,000 clicks to Brand X's website" is powerful proof.

Building Your Media Kit Using a Platform (e.g., InfluenceFlow)

Step 1: Sign Up Free

Go to InfluenceFlow and create a free account. No credit card needed. You're up and running in 2 minutes.

Step 2: Choose Your Template

Select a template matching your content type. Choose your color scheme. This becomes your brand foundation.

Step 3: Add Your Information

Fill in your bio, follower counts, and engagement rates. Upload your professional photo or video intro.

Step 4: Add Audience Insights

Include demographic breakdowns. Add geographic data. Share your top content categories.

Step 5: Upload Visual Assets

Add your logo, professional photos, and any graphics. Keep file sizes small so media kit loads quickly.

Step 6: Generate Your Rate Card

Use the built-in rate card builder. Set your pricing tiers. Include what's in each package.

Step 7: Review and Publish

Check your media kit on desktop and mobile. Fix any typos. Ensure all links work. Then publish it.

You can now share a direct link or download as PDF. Both options are available.

Rate Card Setup and Optimization

Step 1: Define Your Pricing Tiers

Create three tiers: - Starter: Single post, basic usage rights - Standard: Three posts, Stories, 30-day usage rights - Premium: Video collaboration, exclusive access, custom content

Step 2: Set Your Base Rates

Use the competitive rates mentioned earlier. Adjust up or down based on your engagement rate and niche.

Step 3: Add Exclusivity Pricing

If a brand wants exclusive access to your audience, charge 25-50% more. Make this clear in your rate card.

Step 4: Create Package Deals

Offer discounts for buying multiple posts or longer partnerships. Example: "Book 6 posts and get 10% off."

Step 5: List Deliverables

For each tier, specify exactly what the brand gets: - "One Instagram carousel post (10 images minimum, 150+ word caption)" - "Five Instagram Stories (24-hour duration)" - "One TikTok video (original audio, trending sounds allowed)"

Specificity prevents misunderstandings. No ambiguity. No conflicts.

Step 6: Include Payment Terms

State whether you require 50% upfront. When full payment is due (before posting or after?). What payment methods you accept. Be clear.

Step 7: Set Your Revision Policy

"Unlimited revisions in concept phase. Up to two rounds of revisions once content is created." This manages expectations.

AI-Powered Rate Optimization Strategies

Using Data to Justify Your Rates

Numbers speak louder than claims. Use data to prove your worth.

Calculate Your ROI Impact

If a past campaign drove 50,000 clicks for a brand, calculate the value. At average conversion rates, that might represent $10,000-$20,000 in sales value. You only charged $2,000. That's a 5-10x ROI. Document this in your media kit.

Benchmark Your Engagement

Show how your engagement rate compares to industry averages. If you have 5% engagement and the average is 2%, you're 2.5x better. Use this to justify higher pricing.

Use Third-Party Verification

Screenshot your analytics from Instagram, YouTube, or other platforms. This proves your numbers. Brands can verify them independently.

Tools like influencer analytics platforms make this easy. They pull real data from your accounts.

AI Tools and Automation for Rate Intelligence

AI is changing how creators price their content.

Automated Rate Suggestions

Tools analyze your metrics—followers, engagement, niche, past performance—and suggest optimal rates. They compare you to similar creators and recommend pricing that maximizes revenue.

Demand Forecasting

AI predicts which seasons or months will bring more sponsorship inquiries. You can adjust rates higher during peak demand periods.

Competitive Benchmarking

Some platforms track rates from creators in your niche (anonymously). You see what others charge. You adjust accordingly. This keeps you competitive.

Performance Analytics

Track which content types drive the most engagement. Which sponsorships performed best. AI identifies patterns. You can charge premium rates for proven high-performing content formats.

Personalized Rate Cards for Different Buyer Personas

Different brands have different budgets and needs.

Established Brands vs. Startups

Large brands with big budgets can pay premium rates. Startups with limited budgets need entry-level pricing. Create two versions of your rate card to serve both markets.

B2B vs. B2C

B2B companies have higher budgets. B2C brands often have tighter budgets. B2B rates should be 2-3x higher than B2C.

Long-Term Partnerships

Offer 10-15% discounts for 6+ month partnerships. Brands love predictability. You love guaranteed income. This creates win-win deals.

Exclusive vs. Non-Exclusive

Make exclusivity expensive. If a brand wants to be the only company in their category, they should pay premium prices. Maybe 50% more.

Best Practices for Professional Media Kits and Rate Cards

Design Standards in 2026

Professional media kits follow current design trends.

Keep it simple. White space is good. Avoid clutter. Readers should understand your value in 30 seconds.

Use consistent branding throughout. Same fonts, colors, and logo placement across every page.

Include real numbers. Not "high engagement" but "8.2% engagement rate." Not "large audience" but "247,000 followers."

Use modern photography. No stock photos if possible. Real photos of you build connection.

Videos matter more in 2026. A 30-second intro video increases response rates by 40%. Include one if possible.

Mobile design is mandatory. 65% of media kits are viewed on phones. If it doesn't work on mobile, redesign it.

Updating Your Media Kit Regularly

Your media kit is a living document. Update it monthly if metrics change significantly.

When to update: - Your engagement rate changes by 1%+ - You've hit new follower milestones - You've completed major brand partnerships - Your audience demographics shift - New content categories appear - Seasonal rate changes take effect

Using media kit builders and rate card tools makes updates simple. Make changes in seconds. No redesign needed.

Common Mistakes to Avoid

Don't overload with information. Keep it to 5-7 pages maximum. Brands have short attention spans.

Don't use fake metrics. If your engagement rate is 2%, own it. Find brands whose audiences match. Never lie about numbers.

Don't price too low. Underpricing hurts your credibility and other creators. Price fairly based on your value.

Don't forget mobile optimization. Mobile-first design is non-negotiable in 2026.

Don't make it hard to contact you. Include clear contact information and a simple form to inquire about sponsorships.

Don't ignore your rate card. Hiding pricing creates friction. Transparency closes deals faster.

How InfluenceFlow Helps With Media Kit Builders and Rate Card Tools

All-In-One Platform for Creators

InfluenceFlow solves multiple problems in one place. No juggling five different tools.

Create a professional media kit in minutes. Generate rate cards. Build contracts. Process payments. Track campaigns. Everything's integrated.

Start with creating your media kit on InfluenceFlow. The process takes 15 minutes. Your media kit is ready to share immediately.

Free Forever

No monthly fees. No surprise charges. No credit card required to start.

InfluenceFlow believes creators shouldn't pay to build their professional image. So everything's free. Forever.

You get more value than paid competitors—all without spending money.

Campaign Management

Beyond media kits, InfluenceFlow helps you manage sponsorships end-to-end.

Track incoming partnership requests. Send contracts. Collect signatures digitally. Process payments. Everything's documented and organized.

Brands also use InfluenceFlow to find creators and manage campaigns. This increases your chances of being discovered.

Digital Contracts and Payment Processing

Use pre-built contract templates or customize your own. Both you and the brand sign digitally. Everyone's protected.

Payment processing is built in. Brands can pay directly through InfluenceFlow. You get paid within 2-3 business days.

No PayPal disputes. No delayed payments. Everything's clear and documented.

Real Creators, Real Support

InfluenceFlow was built by creators who understand your struggles. The team responds to support requests quickly. They add features based on creator feedback.

You're not a ticket number. You're a real person using real tools to grow your career.

Frequently Asked Questions

What should I include in my media kit?

Include your bio, follower count, engagement rate, audience demographics, content categories, past brand partnerships, and professional photo. Add testimonials if possible. Include your rate card or contact info for pricing. Keep it to 5-7 pages maximum. Use professional design and mobile-optimized layouts.

How much should I charge as an influencer?

Pricing depends on followers, engagement rate, niche, and platform. Instagram creators with 50K followers might charge $800-$2,000 per post. YouTube creators charge $1,000-$5,000 per video. Check competitor rates in your niche and adjust based on your engagement metrics. Never underprice your work.

Can I create a media kit for free?

Yes. InfluenceFlow offers free media kit creation with no credit card required. Canva also offers free templates. Linktree provides basic options. However, most advanced features require paid plans. InfluenceFlow is the only platform offering comprehensive features completely free.

How often should I update my media kit?

Update monthly if metrics change significantly. Always update after hitting major milestones (new follower counts, improved engagement). Update seasonal rates quarterly. Update brand partnerships after each major collaboration. Use tools that make updating quick and easy.

What is a good engagement rate for influencers?

Average engagement rates vary by platform. Instagram: 1-3%. TikTok: 3-5%. YouTube: 1-2%. LinkedIn: 0.5-2%. Newsletter: 20-40% open rate. Higher is better. Focus on engagement rate over follower count. Brands prefer smaller, engaged audiences.

Should I share my rate card publicly?

Yes. Transparency is good. Public rate cards filter unqualified buyers and speed up negotiations. Some creators keep a public rate card and confidential adjustments for large deals. This approach works well. Never hide pricing if you want serious sponsorship inquiries.

How do I negotiate rates with brands?

Know your walk-away price first. Listen to their budget and goals. Explain why your rate is fair (engagement, audience quality, past results). If they can't afford your rate, offer alternatives (fewer posts, smaller deliverables, performance-based pricing). Don't drop below 50% of your listed rate.

What is CPM and how does it work?

CPM stands for "cost per thousand impressions." If you charge $10 CPM and a post gets 100,000 impressions, the brand pays $1,000. CPM rates range from $5-$25 depending on niche and platform. Some creators prefer flat rates over CPM. Choose whatever works for your situation.

Do I need a separate rate card or can I include it in my media kit?

Include it in your media kit. Make it simple to reference. A separate downloadable PDF also works. Some creators show basic rates publicly and keep detailed rates confidential. Choose whatever feels right for your brand.

How can I prove my metrics are real?

Screenshot your analytics directly from platforms. Use third-party tools like Sprout Social or Later to verify numbers. Share audience demographic data. Provide case studies showing past campaign results. Transparency builds trust. Brands appreciate creators who share verifiable data.

What payment terms should I set?

Common terms: 50% upfront, 50% on delivery. Or full payment before posting. Or net-30 (paid within 30 days of invoice). Whatever works for you. Be clear and consistent. Written contracts prevent payment disputes.

Can I use media kit templates or should I create one from scratch?

Templates are perfect. They're professionally designed and faster. Customize the template with your colors, photos, and information. This takes 15 minutes and looks professional. Custom design is unnecessary unless you have budget for a designer.

How do I handle international sponsorships and currency?

Show rates in USD (or your local currency). Note that international rates may vary. Include a currency converter link in your rate card. State whether international sponsors need to pay fees (PayPal takes 2.9% + $0.30 per transaction). Clear communication prevents issues.

Conclusion

Media kit builders and rate card tools have become essential for creators in 2026. They level the playing field. You don't need expensive designers or agents. Anyone can create a professional, credible media kit.

Here's what we covered:

• Media kits and rate cards complement each other. One shows your value. One shows your price.
• Professional media kits include audience data, engagement metrics, past partnerships, and professional design.
• Rate cards should be transparent, strategic, and updated regularly based on your metrics.
• Comparison tables show InfluenceFlow offers the most features at the best price—free forever.
• Vertical-specific approaches work better than generic media kits. Tailor yours to your content type.
• AI-powered rate optimization is changing how creators price their work. Use data to justify your rates.
• Common mistakes include underpricing, hiding information, and poor mobile design.

Ready to get started?

Sign up for InfluenceFlow today. It's completely free. No credit card required. You'll have a professional media kit and rate card within 15 minutes.

Brands are waiting for creators like you who take their work seriously. A professional media kit signals that you're ready for real partnerships.

Stop sending generic pitches. Start using professional media kit builders and rate card tools. Your next big sponsorship deal is just one professional media kit away.

Create your free media kit on InfluenceFlow now—no payment information needed.

Additional Resources

• Influencer Marketing Hub's 2026 Creator Economy Report: Pricing and benchmarking data
• HubSpot's Creator Economy Guide: Industry standards and best practices
• Sprout Social's Influencer Analytics Guide: Verification and metric tracking
• Later's Creator Resources: Platform-specific benchmarks
• InfluenceFlow's Creator Academy: Free courses on media kits, rate setting, and sponsorship negotiation