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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. The hype cycle names the exact trap in your question: the peak of inflated expectations, the trough of disillusionment, then... Gartner Article · 10 min read · Starting Up Gartner Hype Cycle Research Methodology Gartner In 4 answers
  2. 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
  3. 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
  4. 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
  5. Before you can interview a competitor's customers, you need to know where they actually spend time online. This tool searches... SparkToro Tool · Starting Up SparkToro SparkToro In 4 answers
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. A founder-friendly, flat-fee registration product bundled with a zero-balance current account, useful if you'd rather not shop... Razorpay Rize Tool · D2C Company Registration in India, Razorpay Rize Razorpay In 4 answers
  13. 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
  14. Reviews are the single highest-leverage trust element on an Indian PDP, and Judge.me is the free-tier-first reviews app most... judge.me Tool · D2C Judge.me Product Reviews App Judge.me In 4 answers
  15. 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
  16. 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
  17. 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
  18. Pricing for a market only makes sense once you know the landed cost, this free calculator estimates product plus duty plus tax... zonos.com Tool · D2C Duties and Taxes Calculator, Calculate Landed Cost Zonos In 4 answers
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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

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