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 piece that named the problem you are asking about: the difference between numbers that make you feel good and... The Blog of Tim Ferriss Article · 10 minute read · Starting Up Vanity Metrics vs. Actionable Metrics Eric Ries In 3 answers
  2. Jeff Wald went bankrupt when his first startup collapsed, then built and sold WorkMarket to ADP, so this is not theory. His... First Round Review Article · About a 15 minute read · Starting Up Founder Exposed: Opening Up About Startup Failures and Vulnerability Jeff Wald In 3 answers
  3. Video · 6 min watch · Starting Up How To Cold Email Investors Michael Seibel In 3 answers
  4. If you decide Product Hunt fits your audience, this is the playbook that treats a launch as weeks of prep, not a single day.... Demand Curve Article · Long-form guide, roughly a 20 minute read · Starting Up How to Launch on Product Hunt Nick Costelloe In 3 answers
  5. This is the essay that names the exact problem: most online writing blurs together because it is neither personal,... perell.com Essay · Long read · Starting Up The Ultimate Guide to Writing Online David Perell In 3 answers
  6. When you have zero time, the honest move is to stop creating from scratch and mine work you already produced. This guide gives... Buffer Article · Long read, roughly 15 minutes · Starting Up The Ultimate Guide to Repurposing Content (With Examples) Rochi Zalani In 3 answers
  7. The honest way to know if a post drove a signup is to tag the link so you can trace it, and this free Google tool builds those... Google Analytics Tool · Starting Up Campaign URL Builder (GA Demos & Tools) Google In 3 answers
  8. This is the cleanest side-by-side we found: it defines both margins in plain language and then walks the exact same $600,000... AccountingCoach Article · 5 min read · Starting Up What is the difference between gross margin and contribution margin? Harold Averkamp (AccountingCoach) In 3 answers
  9. Ben Thompson's framework explains why the sharpest modern businesses give the product away and win by owning the demand side,... Stratechery Essay · Starting Up Aggregation Theory Ben Thompson In 3 answers
  10. This is the classic counterweight to the first-timer instinct to price low out of nervousness. McKenzie's core argument is that... Kalzumeus Software Essay · About a 10 minute read · Starting Up You Can Probably Stand To Charge More Patrick McKenzie (patio11) In 3 answers
  11. Before you touch live traffic, the cheapest way to read price sensitivity is to just ask people, and the Van Westendorp method... OpinionX Tool · Starting Up Van Westendorp for Pricing Research: A Survey Guide Daniel Kyne In 3 answers
  12. Before you say yes to the custom features nobody else wants, this essay makes you sit with the real risk: one account that pays... Startup Patterns (Medium) Essay · Starting Up The One Big Customer Trap Sam McAfee In 3 answers
  13. Most startup books assume you want to raise, hire, and scale, which quietly pressures you to quit early and go big. Jarvis... Penguin Books Book · ~272 pages · Starting Up Company of One: Why Staying Small Is the Next Big Thing for Business Paul Jarvis In 3 answers
  14. This is the clearest side-by-side we found of the actual menu a bootstrapped founder faces: revenue-based financing, venture... Founderpath Article · 20 min read · Starting Up Non-Dilutive Funding for SaaS Founders: 8 Types Compared Founderpath In 3 answers
  15. When you need a one-time cash injection without giving up equity, this is an actual India-based platform you can approach,... Recur Club Tool · Platform, application-based · Starting Up Recur Club (revenue-based financing and debt for Indian founders) Recur Club In 3 answers
  16. This is a genuinely startup-first way to open a current account in India online, with the account held by a partner bank... RazorpayX Tool · Starting Up RazorpayX Current Account for Businesses RazorpayX In 3 answers
  17. When your spreadsheet starts breaking (you are chasing invoices, guessing at GST, or dreading month-end) Zoho Books is the most... Zoho Books Tool · Free plan, paid tiers from about Rs 899/month · Starting Up Zoho Books Free Accounting Software for Small Businesses in India Zoho In 3 answers
  18. A free, no-signup calculator that forces you and your co-founder to actually weigh the inputs (idea, roles, who is full time,... Foundrs Tool · ~10 minutes to work through · Starting Up Foundrs Co-Founder Equity Calculator Foundrs In 3 answers
  19. This is the exact list a founder gets handed once a term sheet lands, written by YC Continuity's general counsel after hundreds... Y Combinator Startup Library Article · ~10 min read · Starting Up Series A Diligence Checklist Jason Kwon (Y Combinator) In 3 answers
  20. You do not want to build a three-year model from a blank sheet, and you also do not want a generic one-size template that does... Forecastr Template · 12 templates, make a copy and fill in · Starting Up Forecastr Free Startup Financial Model Templates (Excel and Google Sheets) Forecastr In 3 answers
  21. Written by a pre-seed investor who reads these emails for a living, so it is the six-part anatomy of a cold email that actually... Sterling Road (Medium) Article · 10 min read · Starting Up How to Cold Email an Investor Ash Rust In 3 answers
  22. OpenVC runs the platform millions of these emails pass through, so their rules are drawn from data, not opinion: put a... OpenVC Article · 12 min read · Starting Up How to Cold Email Investors (And Actually Get Replies) OpenVC Team In 3 answers
  23. Written by a partner at Blume Ventures, this is the India-specific version of exactly what we're telling founders: valuation is... Blume Ventures Essay · 15 min read · Starting Up 'Exhaust Fumes', or, Understanding Startup Valuations Sajith Pai In 3 answers
  24. This is the reference point for what a clean deal looks like, written by the people who have watched hundreds of Series A term... Y Combinator Article · 12 min read · Starting Up A Standard and Clean Series A Term Sheet Y Combinator In 3 answers

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