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. This is the operational how-to for the depth path: how to structure a design partnership so it produces real validation, not... Common Paper Article · 10 min read · Starting Up How To Work With Design Partners Jake Stein (Common Paper) In 2 answers
  2. A tight, practical breakdown of what a concierge MVP is actually testing, using the Food on the Table example step by step. It... Res Extensa (Coleman McCormick) Article · Starting Up Learning from the Concierge MVP Coleman McCormick In 2 answers
  3. Concrete evidence that building outside Bengaluru, Mumbai, and Delhi is not a handicap but increasingly an advantage, from... YourStory Article · Starting Up How Tier 2 Cities Are Powering India's Next Startups YourStory In 2 answers
  4. Written by the person who grew Superhuman's waitlist past half a million, so it is candid about what a big number does and does... Growth by Gaurav (Substack) Essay · Starting Up The Waitlist Delusion Gaurav Vohra In 2 answers
  5. A short, plain piece that names the exact trap in this question: a curiosity click reads as demand when it is not. It gives... saasvalidation.tech Article · Starting Up Pre-launch waitlists measure curiosity, not intent saasvalidation.tech In 2 answers
  6. When incumbents all compete on the same features for the same buyers, this book shows how to redraw the offer so you are not... W. Chan Kim and Renee Mauborgne Book · ~250 pages · Starting Up Blue Ocean Strategy W. Chan Kim and Renee Mauborgne In 2 answers
  7. Before you have any customer stories, your own founder story is the only pitch you have, and this piece shows you how to use... First Round Review Article · ~15 min read · Starting Up The Three Frameworks You Need to Kick-start Sales Whitney Sales In 2 answers
  8. A method for finding exactly where your customers already gather online, the forums, subreddits, and groups where they post... Stacking the Bricks Article · ~12 min read · Starting Up How to Find Your Audience's Online Watering Holes Alex Hillman In 2 answers
  9. A practical guide to running an early willingness to pay conversation and building pricing around real buyer personas. Good... First Round Review Article · Starting Up The Price is Right: Essential Tips for Nailing Your Pricing Strategy First Round Review In 2 answers
  10. An entire newsletter dedicated to reverse engineering how companies like Uber, DoorDash, and Spotify got their first thousand... Ali Abouelatta (First 1000 newsletter) Article · Newsletter archive, 10 min per issue · Starting Up First 1000 Ali Abouelatta In 2 answers
  11. A clear, short explainer on why asking friends (or anyone) what they want produces false positives, and how to interview for... NYU Entrepreneurship Article · 8 min read · Starting Up Stop Asking What They Want: Why Customer Discovery Is About Problems, Not Products Frank Rimalovski In 2 answers
  12. When people love it but will not pay, price is often the real blocker, and this piece walks you through pricing conversations... First Round Review Article · Starting Up Pricing Lessons from Working with 30+ Seed and Series A B2B Startups First Round Review In 2 answers
  13. When you want your old network to open doors rather than just buy, this covers how to ask in a way that respects their time and... Kristina Hu (Hu Knows) Article · ~8 min read · Starting Up How to Ask for a Warm Intro Kristina Hu In 2 answers
  14. Since supply is usually the side you bootstrap by hand, this is a focused list of 28 concrete ways real marketplaces did it. It... andrewchen.com Article · 15 min read · Starting Up 28 Ways to Grow Supply in a Marketplace Lenny Rachitsky (via Andrew Chen) In 2 answers
  15. This is the famous story of Airbnb flying to New York and photographing listings door to door, the most literal example of... First Round Review Article · 12 min read · Starting Up How Design Thinking Transformed Airbnb from Failing Startup to Billion Dollar Business First Round Review In 2 answers
  16. Lenny addresses prioritization specifically for early startups, where the usual scoring frameworks break down and speed matters... Lenny's Newsletter Article · ~15 min read · Starting Up Prioritizing at startups Lenny Rachitsky In 2 answers
  17. Cohen argues the MVP framing pushes founders to ship something too broken to love, and offers an alternative: make it Simple,... A Smart Bear (Jason Cohen) Essay · ~12 min read · Starting Up Your customers hate MVPs. Make a SLC instead. Jason Cohen In 2 answers
  18. The father of customer development argues that your plan survives contact with reality only after you leave your desk and test... steveblank.com Article · 10 min read · Starting Up Teaching Entrepreneurship by Getting Out of the Building Steve Blank In 2 answers
  19. A compact YC piece that reframes the MVP as a minimum evolvable product, something you keep changing in response to your... Y Combinator Startup Library Article · 12 min read · Starting Up How to Get Your First Users Y Combinator In 2 answers
  20. It is worth reading an honest account of the limits, and this one is notable for coming from a no-code platform itself. It... Bubble Blog Article · Starting Up The Real Drawbacks of No-Code Software Bubble In 2 answers
  21. A tactical, budget-specific walkthrough of running a real landing-page test with a small paid-traffic spend so your numbers are... GrowthMentor Article · 15 min read · Starting Up How to Validate Your Startup Idea Using a Pre-Launch Landing Page and Under $500 in Ads Foti Panagiotakopoulos In 2 answers
  22. For the refactoring half of your question, Fowler explains why building for imagined future needs usually costs more than it... martinfowler.com Article · 10 min read · Starting Up Yagni (You Aren't Gonna Need It) Martin Fowler In 2 answers
  23. Doshi names the IKEA effect, how you overvalue what you built simply because you built it, which is the quiet engine behind... Shreyas Doshi (Substack) Essay · 12 min read · Starting Up The Product Builder's True Journey Shreyas Doshi In 2 answers
  24. Flipkart serves exactly your users, many on 2G in smaller Indian cities, and this case study shows a fast mobile web app... web.dev (Google) Article · Starting Up Flipkart triples time-on-site with a Progressive Web App web.dev (Google) In 2 answers

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