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. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. Explains the newest AI-ops shift that actually matters, ChatGPT now auto-generates shopping ads straight from your product... Passionfruit Article · D2C ChatGPT Product Feed Ads: 2026 Retailer Guide Passionfruit In 2 answers
  8. 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
  9. 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
  10. 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
  11. 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
  12. The official step-by-step for the registration flow itself, OTP verification, business-type selection, store name, useful to... sell.amazon.in Article · D2C How to Create a Seller Account to Start Your Business on Amazon.in Amazon In 2 answers
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. Written for Indian 4G conditions and Indian Shopify stores specifically, with a real before/after case study - a Delhi store's... sociolabs.in Article · D2C Shopify Speed Optimization Guide 2026 (India) Socio Labs In 2 answers

Show the next 24

The hubs

eChai Partner Brands The partnership →