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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. Video · How Founders Use AI Create a McKinsey-Level Competitive Analysis with AI! YouTube creator (AI for business)
  2. Video · How Founders Use AI Build an AI Competitor Analysis Agent (No-Code Tutorial) YouTube creator (automation)
  3. Video · How Founders Use AI Build an AI Competitor Analysis Tool with Lovable AI & Firecrawl | Full Tutorial YouTube creator (dev tutorials)
  4. Video · How Founders Use AI AI Competitors Analysis: The Only AI Workflow I Trust YouTube creator (marketing ops)
  5. Video · How Founders Use AI Miro Flows Tutorial: Automate Competitor Analysis with AI Miro
  6. Video · How Founders Use AI The RIGHT Way to Calculate your Market Size (TAM/SAM/SOM) YouTube creator (startup finance)
  7. Video · How Founders Use AI How to Size Your Market (TAM SAM SOM) the RIGHT WAY YouTube creator (startup funding)
  8. Video · How Founders Use AI Why Everyone Gets TAM Market Sizing WRONG: Explained by a VC VC (YouTube)
  9. Video · How Founders Use AI How to Size Your Addressable Market (TAM, SAM, SOM, top-down vs. bottom-up) YouTube creator (startup education)
  10. Video · How Founders Use AI How To Size Your Market (TAM, SAM, SOM Explained Simply) YouTube creator (startup education)
  11. Video · How Founders Use AI Must watch before you start up | TAM SAM SOM | Market size calculation YouTube creator (startup education)
  12. Video · How Founders Use AI Market research with ChatGPT YouTube creator (AI tutorials)
  13. Video · How Founders Use AI ChatGPT Deep Research: Turn Market Analysis into Revenue (Full Guide) YouTube creator (AI for business)
  14. Video · How Founders Use AI Unlocking ChatGPT's Deep Research: Marketing Innovation w/ HubSpot CMO Kipp Bodnar HubSpot (Kipp Bodnar)
  15. Video · How Founders Use AI How to Use ChatGPT Deep Research: Generate Reports YouTube creator (AI tutorials)
  16. Video · How Founders Use AI How I used ChatGPT to do my niche's market research (in 20 min) YouTube creator (solopreneurship)
  17. Video · How Founders Use AI [The Mom Test] AI can't run your customer interviews (but it *can* help in other ways) Rob Fitzpatrick
  18. Video · How Founders Use AI Ailyze Tutorial: Turn Interview Transcripts Into Themes & Visuals Instantly Ailyze
  19. Video · How Founders Use AI This AI Transcribes & Analyzes Interviews in Minutes YouTube creator (research tools)
  20. Video · How Founders Use AI Synthetic Users: AI "Participants" (video) Nielsen Norman Group
  21. Video · How Founders Use AI Accelerating Research with Synthetic Users Conference talk (YouTube)
  22. Video · How Founders Use AI Synthetic User Research Explained | How AI Is Changing UX YouTube creator (UX research)
  23. Video · How Founders Use AI How I use Reddit and AI to find winning startup ideas (2025 tutorial) Dr Alex Young
  24. Video · How Founders Use AI How I Use AI & Reddit to Find $1M+ Startup Ideas (FULL Blueprint) YouTube creator (startup ideas)

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The hubs

Starting Up Find an idea, validate it, build, and land your first customers. 1046 questions GTM Go-to-market, from breaking in to how the best teams do it. 352 questions D2C Building a direct-to-consumer brand, India-first. 482 questions Wealth Paying yourself, ESOPs, secondaries, and de-risking founder wealth. 154 questions How Founders Use AI How founders actually put AI to work, mapped topic by topic. 278 questions Glossary Plain-language definitions of the startup and VC terms you'll hit. 390 terms
eChai Partner Brands The partnership →