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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. Kelly's argument is that some technological directions carry their own momentum, so you can reason about where things are... Kevin Kelly (kk.org) Book · 336 pages · Starting Up The Inevitable: Understanding the 12 Technological Forces That Will Shape Our Future Kevin Kelly In 4 answers
  2. Twice a year Evans publishes a free deck reading the macro and strategic shifts in tech, strong on second order effects, not... ben-evans.com Article · 90+ slides · Starting Up Benedict Evans: annual tech trend presentations Benedict Evans In 4 answers
  3. This is the book that made outbound prospecting a repeatable discipline instead of a guessing game, built on the Salesforce.com... predictablerevenue.com Book · ~250 pages · Starting Up Predictable Revenue Aaron Ross and Marylou Tyler In 4 answers
  4. This guide breaks an ICP into demographic, psychographic, and position attributes, then walks through a real worked example,... Reforge Guides Article · 15 min read · Starting Up Define the ideal customer profile Reforge Guides In 4 answers
  5. A reference list broader than just CM1/CM2, useful once you've got the basics down and want to know what an actual CFO would... CFO Matrix Article · D2C D2C Unit Economics: 16 Metrics Every E-commerce Startup Should Know CFO Matrix In 4 answers
  6. A blunt, India-specific playbook on where ad spend actually leaks, useful because it ties creative fatigue and volume directly... Growwwtech Article · D2C Meta Ads for Indian D2C, Stop Burning Money Growwwtech In 4 answers
  7. The canonical India-facing starting point, lays out the 18+ marketplaces, the paperwork you need, and the fulfillment/payment... sell.amazon.in Article · D2C Export from India and Start Selling with Amazon Global Selling Amazon India In 4 answers
  8. The most concrete India-founder account of going global, Vahdam's Bala Sarda built a brand where cross-border is ~90% of... inc42.com Article · D2C Decoding D2C Brand Vahdam's 9-Point Global Expansion Playbook Inc42 In 4 answers
  9. GST registration is mandatory for Indian ecommerce sellers regardless of revenue, and your GSTIN needs to show up on your... indiafilings.com Article · D2C GST Registration for eCommerce Business India IndiaFilings In 4 answers
  10. An India-first take on retention that names the specific levers Indian brands actually use - WhatsApp CRM, loyalty programs,... productgrowth.in Article · D2C D2C Retention Playbook: How India's Best Brands Win ProductGrowth.in In 4 answers
  11. The IEC is the one document you cannot export without, and this explains what it is, who needs it, and the DGFT application... sell.amazon.in Article · D2C Importer-Exporter Code (IEC): Meaning, Benefits, How to Apply Amazon India In 4 answers
  12. A catalogue of the specific cons that trip up product founders, the golden-sample switch, fake certifications, price... cosmosourcing.com Article · D2C Common Supplier Scams and How to Avoid Sourcing Fraud Cosmo Sourcing In 4 answers
  13. Explains exactly why moving every early buyer onto a WhatsApp broadcast list matters for repeat orders in India, given the... Aasaan Article · D2C Grow Your D2C Brand on WhatsApp, Instagram & Facebook Aasaan In 4 answers
  14. Explains how showing the full landed price (product plus duty plus tax) at checkout, not just a converted product price,... shopify.com Article · D2C Better Global Buying Experiences With Duties & Import Taxes at Checkout Shopify In 4 answers
  15. Frames Google spend as one piece of an Indian D2C brand's blended channel mix (with a suggested 25-30% allocation to... upGrowth Article · D2C D2C Performance Marketing in India: The 2026 Playbook upGrowth In 4 answers
  16. A dense, practitioner-written FAQ covering commission handling, invoice generation, ITC and TCS matching, the kind of detail a... TaxAdda Article · D2C Everything about GST on Online Sellers of Amazon, Flipkart etc. TaxAdda In 4 answers
  17. A concrete before/after case study, 60,000 sq ft warehouse, sub-48-hour fulfillment, 99.99% bin-level accuracy, that shows what... Increff Case Studies Article · D2C The Indian Garage Co.: Scaling New Heights in D2C Fashion with Increff Increff In 4 answers
  18. The most honest India-specific DIY walkthrough we found: it puts real numbers on what it takes (Rs 30,000-50,000 learning... Growwwtech Article · D2C DIY Meta Ads for D2C 2026: The Complete Setup Growwwtech In 4 answers
  19. The clearest explanation of why a physical, signed sample, not a spec sheet, is the real definition of 'correct' once... insight-quality.com Article · D2C What Is a Golden Sample in Manufacturing, and Why Are They Essential? Insight Quality In 4 answers
  20. Makes the direct case for treating the pre-production sample as your last checkpoint before a batch you can't easily undo. ninghowapparel.com Article · D2C The Importance of the PP Sample: Risk Control & Golden Sample Insights Ninghow Apparel In 4 answers
  21. The clearest, most practical positioning framework available - a 10-step process for figuring out what market you're in, who... aprildunford.com Book · D2C Obviously Awesome: How to Nail Product Positioning So Customers Get It, Buy It, Love It April Dunford In 4 answers
  22. Starts pricing where it should start - unit economics, not competitor-watching - and walks through how price sets your... thehqdigital.com Article · D2C D2C Pricing Strategy: From Unit Economics to Profit The HQ Digital In 4 answers
  23. Frames where India's D2C ecosystem is headed next - full-stack, quick-commerce-integrated, no longer just 'brands selling... inc42.com Article · D2C D2C 3.0: The New Rules Of India's D2C Economy Inc42 In 4 answers
  24. A current, India-specific comparison of the main aggregator options a new D2C brand is actually choosing between, rather than a... Shipmozo Blog Article · D2C Top 5 Shipping Aggregators for D2C Brands in India (2026) Shipmozo In 4 answers

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