Find & validate your idea

Find a problem worth solving, then prove people want it before you build.

What founders use for find & validate your idea, ranked by how many answers lean on it.

  1. A free, tactical operating manual for the founder skills you never practiced as an employee: making decisions fast, running... Matt Mochary (public Google Doc) Book · ~200 pages The Great CEO Within Matt Mochary
  2. Kevin Hale distills a pitch into seven questions investors need answered, and 'why this team' is one of them. Use it to place... Y Combinator Startup Library Article · ~15 min read How to Pitch Your Company Kevin Hale, Y Combinator
  3. A compact roundup of Dixon's startup thinking, including founder/market fit and why passion for a problem beats chasing a hot... Andreessen Horowitz Article · ~10 min read 12 Things I Learned from Chris Dixon about Startups Tren Griffin
  4. This frames founder-market fit as a team question and lists what a strong founding team should be able to answer together about... Techstars Article · ~8 min read High Performing Founding Teams: The Five Questions Every Rockstar Founding Team Can Answer Martin Schilling and Brian Daly
  5. A seed investor explains what he actually looks for as founder-market fit and how he weighs it across a whole team rather than... Tom Wilson (Medium) Article · ~9 min read Investing at Founder-Market Fit Tom Wilson
  6. Gil argues against overlapping expertise and for clear role division, warning that two people setting the same direction leads... Elad Gil (Elad Blog) Essay · ~8 min read How to Choose a Co-Founder Elad Gil
  7. Gil makes the case for co-founders splitting the company into clear areas of ownership so each person drives their domain... Elad Gil (Elad Blog) Article · ~6 min read Founders Should Divide and Conquer Elad Gil
  8. A useful counterweight that questions how much founder-market fit really predicts, arguing that great founders often pursue... Bessemer Venture Partners (Atlas) Article · ~12 min read A Brainstorming Framework for Aspiring Founders Adam Fisher
  9. This directly separates insight from years of experience, which matters when you are told you lack the standard background.... Medium (Paul Asel) Essay · 8 min read Experience vs. Insight: What Really Makes a Successful Founder? Paul Asel
  10. The written, citable version of the Kanze research, useful when you want the study details and the exact reframing tactic on... Harvard Business Review Article · 9 min read Male and Female Entrepreneurs Get Asked Different Questions by VCs (and It Affects How Much Funding They Get) Dana Kanze, Laura Huang, Mark Conley, E. Tory Higgins
  11. A YC partner's direct notes to women founders on self doubt, asking for what you need, and not shrinking the ambition. It... Y Combinator Essay · 7 min read From Self-Doubt to Starting Up: Words of Wisdom for Women Founders Anu Hariharan
  12. Yin built a fund specifically for founders without the usual pedigree, and her blog is the most tactical writing on raising... elizabethyin.com Article · Blog archive Tactical Fundraising by Elizabeth Yin Elizabeth Yin
  13. A practical book on the inner game of being underestimated: self doubt, harsh feedback, and playing smaller than your ambition.... taramohr.com Book · 304 pages Playing Big: Practical Wisdom for Women Who Want to Speak Up, Create, and Lead Tara Mohr
  14. The reported history of women who built and funded Silicon Valley while being written out of its story, told through four... Penguin Random House Book · 304 pages Alpha Girls: The Women Upstarts Who Took On Silicon Valley's Male Culture Julian Guthrie
  15. The clearest explainer of how VCs actually decide, from term sheets to how partnerships evaluate founders. Understanding the... Andreessen Horowitz Book · 336 pages Secrets of Sand Hill Road: Venture Capital and How to Get It Scott Kupor
  16. Indian founders in aviation, healthcare, and consumer hardware, all male dominated and trust heavy, on how they earned... YourStory (HerStory) Article · 6 min read Women Building High-Trust Businesses in Male-Dominated Sectors YourStory (HerStory)
  17. A concise, practical list on the access side of the problem: owning your story, building investor relationships early,... PwC Article · 7 min read Five Ways Women Founders Can Overcome the Challenges Faced When Fundraising PwC
  18. A data grounded annual read on where women's funding actually stands, from a fund that only backs women. It keeps your... Female Founders Fund Article · 12 min read 2025 Review of Funding for Female Founders Female Founders Fund
  19. Walling's whole case is that a niche too small for big competitors is precisely where a focused founder has room to win. He is... Rob Walling (robwalling.com) Book Start Small, Stay Small Rob Walling
  20. This piece argues that whole categories of local businesses, think laundromats, clinics, and repair shops, were long dismissed... Andreessen Horowitz (a16z) Article AI Inside Opens New Markets for Vertical SaaS Andreessen Horowitz (a16z)
  21. The authors' framework explicitly counts location and local knowledge as an unfair advantage, not a handicap. It gives you a... Ash Ali and Hasan Kubba Book The Unfair Advantage Ash Ali and Hasan Kubba
  22. A plain overview of why Tier 2 and Tier 3 Indian cities are now real places to build, with the cost and community advantages... WeWork India Article · Short read How Tier 2 and Tier 3 Cities Are Powering India's Startup Ecosystem WeWork India
  23. This piece looks at Indian founders quietly building strong businesses from smaller cities and what metro founders can learn... Xartup (Substack) Article India's Tier II and Tier III Startups Are Building Quiet Giants Xartup (Substack)
  24. A bootstrapped two-time unicorn founder lays out what fit actually felt like versus what founders imagine, drawing on real... A Smart Bear Essay · 20 min read Product/Market Fit: Experience and Data Jason Cohen

Show the next 24

The questions

Finding & shaping ideas 18

Find a problem worth years of your life.

Validating your idea 21

Get evidence before you write code.

Market size & timing 18

Is it big enough, and why now?

Founder-market fit 17

Why you, and why this problem?

Spotting trends & opportunities 18

Live in the future and build what's missing.

eChai Partner Brands The partnership →