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.
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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)
- 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
- 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
- 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
- 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)
- 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
- 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
- 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)
- 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
The questions
Finding & shaping ideas 18
Find a problem worth years of your life.
I want to start a startup but I don't have an idea. Where do I even begin?
19 →
How do I come up with startup ideas that aren't just 'Uber for X'?
19 →
Should I solve a problem I personally have, or chase a bigger market?
19 →
How do I know if my idea is a real problem or just a 'nice to have'?
19 →
I have too many ideas. How do I pick which one to actually work on?
19 →
All 18 questions in Finding & shaping ideas →
Validating your idea 21
Get evidence before you write code.
What does 'validating an idea' actually mean?
20 →
How do I know if my idea is any good?
18 →
How do I validate an idea without building anything?
18 →
How do I talk to customers without getting false positives?
19 →
How many people should I talk to, and how do I find them?
17 →
All 21 questions in Validating your idea →
Market size & timing 18
Is it big enough, and why now?
How big does my market need to be for this to be a real business?
19 →
What are TAM, SAM, and SOM and how do I actually calculate them?
18 →
Why does 'why now?' matter so much for a startup idea?
17 →
My market is small right now but growing fast. Is that a problem?
16 →
How do I size a market for India specifically when data is messy?
19 →
All 18 questions in Market size & timing →
Founder-market fit 17
Why you, and why this problem?
What is founder-market fit and how do I know if I have it?
18 →
Do I need to be an expert in an industry to start a company in it?
19 →
I'm passionate about an idea but have zero background in it. Should I still do it?
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How much does 'why you?' actually matter to investors and to success?
19 →
As a woman founder, or one building outside the big startup hubs, how do I turn my background into an edge?
19 →
All 17 questions in Founder-market fit →
Spotting trends & opportunities 18
Live in the future and build what's missing.
How do I spot trends early enough to build a startup on them?
20 →
How do I tell the difference between a real trend and a passing fad?
20 →
Everyone says the next big thing looks like a toy. What does that actually mean?
16 →
Where do I look to find emerging opportunities before they're obvious?
19 →
What are the biggest emerging opportunities in India right now?
18 →
All 18 questions in Spotting trends & opportunities →
eChai Partner Brands
The partnership →