Explore · The library

Every resource founders actually use, in one library.

The essays, videos, podcasts, books and tools behind every answer across eChai's hubs, from starting up to go-to-market, D2C, founder money and AI, each with a note on why it is here.

What founders use most, ranked by how many answers lean on it.

  1. The G2 mining method: tag complaints into themes, count repeats, build against the gaps. bigideasdb.com Guide · How Founders Use AI How to Analyze G2 Reviews to Find Product Ideas Your Competitors Miss BigIdeasDB
  2. Turns competitor review pain into a concrete feature-gap roadmap. bigideasdb.com Guide · How Founders Use AI How to Turn G2 Reviews Into SaaS Ideas (Feature-Gap Method) BigIdeasDB
  3. Pre-mined pain points from Reddit, G2, Capterra, and app stores if you want to skip the scraping. bigideasdb.com Tool · How Founders Use AI BigIdeasDB: The Startup Ideas Database From 1M+ Real Complaints BigIdeasDB
  4. Explains which review source is high-signal for what: app stores for usability, G2 for B2B friction. cobbai.com Article · How Founders Use AI Customer Review Mining with AI: Unlocking Insights from App Stores, Marketplaces & Forums Cobbai
  5. Tool shortlist for ingesting reviews across G2, app stores, and support channels at scale. enterpret.com Guide · How Founders Use AI The 7 Best AI Tools to Analyze Customer Feedback Enterpret
  6. GummySearch's shutdown reshaped Reddit research tooling; this maps what replaced it. reddinbox.com Article · How Founders Use AI GummySearch is Gone: The Best Alternatives Reddinbox
  7. A second opinion on the post-GummySearch toolscape, including pay-per-analysis options. reddily.io Article · How Founders Use AI 7 Best GummySearch Alternatives (After Shutdown) Reddily
  8. A concise version of the Reddit discovery loop for quick orientation. geeky-gadgets.com Article · How Founders Use AI The Secret to Finding Million-Dollar Startup Ideas on Reddit Geeky Gadgets
  9. An operator separating the Reddit-mining tactics that work from the folklore. alexberman.com Article · How Founders Use AI AI Startup Ideas Reddit: What Actually Works Alex Berman
  10. Extends the mining method to X conversations using NotebookLM's grounded answers. medium.com Article · How Founders Use AI Market Research with Twitter (X.com) and NotebookLM in 10 Minutes AI Rabbit (Medium)
  11. Video · How Founders Use AI ChatGPT's Easy Way to Find Your Target Audience YouTube creator (marketing)
  12. Video · How Founders Use AI How to create a buyer persona using ChatGPT (Secret Hack Revealed) YouTube creator (marketing)
  13. Video · How Founders Use AI Analyze YouTube Audiences with ChatGPT (Tutorial) YouTube creator (audience research)
  14. A deep prompt bank covering pains, triggers, objections, and anti-personas. medium.com Article · How Founders Use AI 18 ChatGPT Prompts To Understand Your Ideal Customer Profile Nizamuddin Siddiqui (Medium)
  15. Worked persona examples showing good versus generic AI output. m1-project.com Article · How Founders Use AI ChatGPT Personas: Definition, Examples & How to Generate Them M1-Project
  16. Describe an audience in plain language and get its actual demographics and hangouts. sparktoro.com Article · How Founders Use AI How to Find Hyper-Specific Audiences with SparkToro's New AI Features SparkToro
  17. The best pattern in this space: real audience data in, LLM synthesis out. sparktoro.com Article · How Founders Use AI How to Use SparkToro + LLMs to Do Marketing Magic SparkToro
  18. Emphasises the 15 minutes of real data collection that makes AI audience research non-generic. mysocial.io Guide · How Founders Use AI ChatGPT for Audience Research: Copy-Paste Prompts Mysocial
  19. A respected marketer's five-prompt persona system with alignment use cases. orbitmedia.com Article · How Founders Use AI How to Create AI Personas: 5 Prompts for Smart Marketing Alignment Orbit Media (Andy Crestodina)
  20. A simple end-to-end persona example to model your first attempt on. amperly.com Article · How Founders Use AI Creating an Ideal Customer Persona with ChatGPT Amperly
  21. Video · How Founders Use AI How To Find Trending Topics With AI BEFORE Your Competition Does YouTube creator (AI marketing)
  22. Video · How Founders Use AI 3 Ways to Build a $1M Startup with AI ft Greg Isenberg Greg Isenberg (guest)
  23. MFM's trend-to-business brainstorm method, the most entertaining masterclass in opportunity spotting. audacy.com Podcast · How Founders Use AI How to build a $1M+ startup using AI (Full Tutorial) My First Million (Sam Parr & Shaan Puri)
  24. A $3B AI founder reading current market gaps out loud. iheart.com Podcast · How Founders Use AI How I built a $3B AI Startup + 7 AI Business Ideas My First Million

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The hubs

Starting Up Find an idea, validate it, build, and land your first customers. 1327 questions GTM Go-to-market, from breaking in to how the best teams do it. 379 questions D2C Building a direct-to-consumer brand, India-first. 512 questions Wealth Paying yourself, ESOPs, secondaries, and de-risking founder wealth. 165 questions How Founders Use AI How founders actually put AI to work, mapped topic by topic. 360 questions Glossary Plain-language definitions of the startup and VC terms you'll hit. 425 terms