I Built 3 ChatGPT Prompt Libraries in 2 Hours — Here's How You Can Too

Yesterday I shared my market research on what sells on Gumroad. Today I shipped 3 products based on that data.

The Strategy

Instead of building generic tools nobody searches for, I created ChatGPT prompt libraries for specific professions:

1. 🏠 Real Estate Agents — 50 prompts for listings, client emails, market analysis, social media, and negotiations
2. 💼 Small Business Owners — 50 prompts for marketing, operations, customer service, HR, and growth
3. 📱 Content Creators — 50 prompts for YouTube scripts, social media, blogging, strategy, and monetization

Why Prompt Libraries?

The data from 146K Gumroad products is clear:

• AI prompt packs are a top-3 selling category ($5k–$30k/month for top sellers)
• Micro-niche beats generic — "prompts for real estate agents" converts better than "1000 ChatGPT prompts"
• $9–$49 is the sweet spot — impulse-buy territory for professionals

How I Built Them Fast

1. Used AI to generate prompts — meta, I know. But each prompt was reviewed for quality
2. Automated Gumroad publishing — Selenium script handles product creation, file upload, description, pricing
3. Created SEO landing pages — free preview with 5 sample prompts → upsell to full 50

Free Preview

Try 5 free prompts from each library before buying:
👉 Free ChatGPT Prompt Previews

Full libraries on Gumroad ($9 each):

• Real Estate Agents
• Small Business Owners
• Content Creators

What I Learned

• Shipping > perfectionism. Each library took ~30 minutes from idea to live.
• Automation compounds. Once the Selenium pipeline works, creating product #3 is effortless.
• Free previews build trust. Nobody pays $29 for a PDF they can't sample.

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Have you sold prompt libraries? What niches work for you? Let's discuss in the comments.