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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 forces you to decide how you will define and select your supply side, not just that you should. It compares three... Andreessen Horowitz Article · Starting Up Marketplace Supply Strategy: Comprehensive, Exclusive, or Curated Casey Winters, Anne Lewandowski In 2 answers
  2. A clean, jargon-free breakdown of what each P&L line actually means, a good first read before you look at your own statement... Bank of America Business Article · D2C How to Read and Understand a Profit and Loss Statement Bank of America Business In 2 answers
  3. Ties unit economics directly to Indian D2C cost structures, COD/RTO rates, marketplace commissions, gateway fees, rather than a... RizeVault (Razorpay) Article · D2C Mastering Unit Economics and Pricing for D2C Success Razorpay Rize In 2 answers
  4. Lays out proven, reusable ad structures (Problem-Solution, Before-and-After, Social Proof Compilations) with the underlying... GlobalPPC Article · D2C UGC Ads That Actually Convert: Frameworks For Ecommerce Growth GlobalPPC In 2 answers
  5. Hormozi's own first winning Facebook ad was, by his description, the 'ugliest ad' he'd ever made, and it worked because the... Acquisition.com Book · D2C $100M Leads: How to Get Strangers to Want to Buy Your Stuff Alex Hormozi In 2 answers
  6. A deep dive specifically on isolating hooks, creators and angles as separate test variables, the exact discipline that turns... Elite Brands Article · D2C Structuring UGC Testing for Meta Ads Creative Strategy Elite Brands In 2 answers
  7. Focuses specifically on what separates a testing framework that finds real winners from one that just produces noise, useful... Gigawatt Group Article · D2C Creative Testing Frameworks for Ecommerce Ads: What Actually Scales Gigawatt Group In 2 answers
  8. A current, structured framework for building an ecommerce creative pipeline end to end, from briefing through testing through... EcomStacked Article · D2C Ecommerce Ad Creative Framework (2026) EcomStacked In 2 answers
  9. Lays out the actual automated-message sequences (order confirmation, dispatch, review request) Indian D2C brands run on... Trilliant Digital Article · D2C WhatsApp Business Marketing in India: AI Automation Strategies for D2C Brands to Increase Sales in 2026 Trilliant Digital In 2 answers
  10. The US-specific version of the playbook, useful once you've decided America is your first market and want the exact... sell.amazon.com Article · D2C How to Sell From India to the US | Sell on Amazon Amazon In 2 answers
  11. The destination-side view of the same program, useful for understanding account structures across North America, Europe, APAC... sell.amazon.com Article · D2C Global Selling on Amazon (Program Overview) Amazon In 2 answers
  12. First-person accounts of Indian sellers who went from zero to global on Amazon, useful for pattern-matching what worked in your... sell.amazon.in Article · D2C Meet Our Export Champions, Amazon Global Selling Seller Success Stories Amazon India In 2 answers
  13. Written by the co-founder of an Indian export consultancy (EXIM Clinic), this is the rare export book aimed at practitioners... books.google.com Book · D2C The Intelligent Exporter: How to Achieve Success in Foreign Trade Like a 'Pro' Nand Jee Singh In 2 answers
  14. The official India Brand Registry page, the trademark prerequisite, the enrolment flow, and what you actually unlock (A+... sell.amazon.in Article · D2C Brand Registry: Protect and Build Your Brand Amazon In 2 answers
  15. The official FBA page for India, including the APOB (Additional Place of Business) GST registration requirement that catches... sell.amazon.in Article · D2C Amazon FBA, Get the Prime Advantage | Fulfillment by Amazon Amazon In 2 answers
  16. The most useful single reference for deciding which paid Amazon toolset to buy, if any, Helium 10 wins on breadth (PPC, listing... Helium 10 Article · D2C Helium 10 vs Jungle Scout: In-Depth Analysis of Tools & Features Helium 10 In 2 answers
  17. A more granular walk-through of the Brand Registry application than Amazon's own page, useful once you've decided to enrol and... SellerApp Article · D2C Amazon Brand Registry: Complete Seller Guide SellerApp In 2 answers
  18. The most credible independent research shop tracking Amazon seller economics globally, useful for calibrating whether what... Marketplace Pulse Newsletter · D2C Marketplace Pulse, Amazon & Ecommerce Marketplace Research Marketplace Pulse In 2 answers
  19. Real seller-to-seller troubleshooting on Buy Box eligibility edge cases that the polished guides don't cover, worth skimming... Amazon Seller Forums Thread · D2C Buy Box Eligibility, Seller Forums Discussion Amazon Seller Community In 2 answers
  20. Explains the fanciful-vs-descriptive naming spectrum and why arbitrary/made-up names are the strongest and most defensible... Trademarkia Article · D2C How to Check If Your Startup Name Is Available for Trademark Registration Trademarkia In 2 answers
  21. A clean, ecommerce-specific step-by-step for the actual naming process, from brainstorming through domain and handle checks -... BigCommerce Article · D2C How to Name a Business (Steps to Take + Guidelines) BigCommerce In 2 answers
  22. A current, checklist-format resource covering the full sequence - trademark search, domains, social handles, business... PrometAI Blog Article · D2C Business Naming and Branding Checklist for Startup Founders 2026 PrometAI In 2 answers
  23. A practical, formula-driven guide to actually writing your brand story on the page, with real examples - useful once you've... GrowSurf Blog Article · D2C How to Write a Brand Story: Framework, Formulas and Examples GrowSurf In 2 answers
  24. Traces Mamaearth's name and origin story directly to a specific, true founder frustration - a clean example of why specificity... InnovatorCraft Article · D2C Mamaearth Case Study: How a Mom's Worry Built a Billion-Dollar Brand InnovatorCraft In 2 answers

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