Find & validate your idea

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

1. A deep read on why new consumer products catch on before anyone can explain them, driven by status and attention rather than... eugenewei.com Essay · 45 min read Status as a Service (StaaS) Eugene Wei In 2 answers
2. A clear, no-nonsense primer on the three market-size numbers every founder gets asked about, with the bottom-up method that... carta.com Article · ~12 min read Market Size: What is TAM, SAM, & SOM? Carta
3. The reference primer on the metrics and market-sizing logic investors use, including bottom-up market sizing that keeps... a16z Article · ~15 min read 16 Startup Metrics Andreessen Horowitz (a16z)
4. The customer-development originator's clearest statement on scoping the minimum feature set to reach your earliest believers.... steveblank.com Article · ~8 min read Perfection by Subtraction, The Minimum Feature Set Steve Blank
5. Basecamp's battle-tested, opinionated system for shipping meaningful work in fixed cycles without endless backlogs, a primary... Basecamp / 37signals Book · free online book Shape Up: Stop Running in Circles and Ship Work that Matters Ryan Singer
6. The definitive framework for building products people return to without paid nudges, the Hook Model, backed by a million-plus... Portfolio / Penguin (nirandfar.com) Book · Book (~256 pages) Hooked: How to Build Habit-Forming Products Nir Eyal (with Ryan Hoover)
7. A modern, tactical fundraising and pitch playbook aggregating advice from top operators and investors. Strong on how to build... Lenny's Newsletter Article · 25 min read A Playbook for Fundraising (and building your pitch) Lenny Rachitsky
8. First Round Review turns storytelling from a buzzword into concrete pitch structure, drawing on a former Pixar CTO's approach.... First Round Review Article · 20 min read Take Your Fundraising Pitch from Mediocre to Memorable with Storytelling First Round Review
9. The definitive, data-driven book on early founding-team decisions, drawing on quantitative research covering nearly 10,000... Princeton University Press Book · ~480 pages The Founder's Dilemmas Noam Wasserman
10. The single most reassuring and clarifying essay for a founder on the edge of quitting, Graham's core insight that startups die... paulgraham.com Article · short How Not to Die Paul Graham
11. The definitive, brutally honest account of 'The Struggle', the emotional and operational reality of running a company when... HarperBusiness Book · long The Hard Thing About Hard Things Ben Horowitz
12. A YC partner who has read thousands of applications tells you plainly what separates the founders who get in from the ones who... YC Startup Library Essay · Long-form essay / talk How to Apply and Succeed at Y Combinator Dalton Caldwell
13. The definitive essay on why place shapes ambition and what a startup hub actually gives you, 'an audience, and a funnel for... paulgraham.com Essay · medium Cities and Ambition Paul Graham
14. Freshworks sold its first customer (a school in Australia) four days after launch and grew to a NASDAQ IPO without a US sales... Freshworks, The Works Article · ~12 min read 7 Lessons from Building an India-Based Global SaaS Business Girish Mathrubootham (Freshworks) via The Works
15. Elad Gil is one of the most trusted operators-turned-investors on this exact question, and this piece cuts through the wrapper... Elad Gil (Elad Blog) Essay · ~12 min read Defensibility & Competition Elad Gil
16. Most "validate your idea" advice was written for consumer apps, where a landing page and a few hundred signups tell you... Lean B2B Essay The 3 Ways Startup Founders "Sell" Their First Products in B2B Etienne Garbugli
17. Andrew Chen ran rider growth at Uber and now invests at a16z, so this is the canonical breakdown of how marketplaces get off... andrewchen.com Essay · ~20 min read Required reading for marketplace startups: The 20 best essays Andrew Chen
18. Before you write a line of code, you can test whether a marketplace has a pulse by matching the first buyers and sellers... Learning Loop Article · ~10 min read Concierge MVP: run your marketplace by hand before you build it Learning Loop
19. This is the cleanest statement of why a big waitlist number can fool you: it only ever goes up, and joining costs a person... whoisnnamdi.com Article · ~8 min read Waitlists are a Vanity Metric Nnamdi Iregbulem
20. Moore's beachhead idea is the definitive case for winning one narrow segment before you touch the broader market, which is... Geoffrey A. Moore Book · ~240 pages Crossing the Chasm: Marketing and Selling Disruptive Products to Mainstream Customers Geoffrey A. Moore
21. This essay gives you a clean, three-part test for a timing bet: is the enabling technology actually ready, has customer... Wing Venture Capital Essay · ~10 min read Startups and Timing: On the "Why Now" for New Businesses Tanay Jaipuria
22. This lays out both the top-down (start from a big industry number) and bottom-up (build up from your own price times likely... HubSpot Blog Article · ~12 min read TAM, SAM & SOM: What Do They Mean & How Do You Calculate Them? Clifford Chi
23. Most validation advice is generic. This one is specific, and it leans on founders (Linear, Mercury) who tested conviction and... First Round Review Article · ~20 min read Is Your Startup Idea Any Good? Borrow These Validation Tactics from the Founders of Linear, Mercury and More First Round Review
24. This is the sharpest write-up of the exact trap in your question: a past exit buys you trust from investors and hires, and the... NFX Essay · ~12 min read Second-Time Founders: How to Win and Avoid the Common Mistakes James Currier

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