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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. Rampell lays out how a company can sell into a business while quietly building direct loyalty with the end consumer inside it,... Andreessen Horowitz Essay · 10 min read · Starting Up On B2B2C Business Models Alex Rampell
  2. Poyar's framing that you need a rough early customer profile before you can earn a real ICP is a useful corrective for founders... Growth Unhinged Article · Starting Up How to build your GTM strategy from scratch Kyle Poyar
  3. A practical look at how Intercom itself built customer segments across a growing team, useful because it shows the operational... Intercom Article · Starting Up Who's who: Understanding your business with customer segmentation Intercom
  4. A shorter, text companion to the podcast above, useful if you want to skim the key lessons on customer focus and enterprise GTM... YourStory Article · Starting Up Whatfix CEO Khadim Batti shares lessons on building a global enterprise SaaS business YourStory
  5. Goes past line-item definitions into what to actually look for, margin trends, expense creep, seasonality, the analysis layer... Entreprenista Article · D2C How to Actually Read Your P&L (And What to Look For) Entreprenista
  6. Surveys options specifically for ecommerce sellers (marketplace integrations, multi-channel order sync) rather than generic... Vyapar TaxOne Article · D2C What Are the Top 10 Ecommerce Accounting Software in India 2025 Vyapar
  7. A practical comparison of when UGC beats studio content and when AI-generated UGC-style ads are a legitimate substitute if you... AdGPT Article · D2C AI UGC Video Ads: Complete Guide to UGC Ads for Ecommerce AdGPT
  8. A hands-on scriptwriting guide for the exact Hook-Problem-Solution-Proof-CTA structure, useful the first time you're briefing a... Motion Article · D2C How to Write UGC Scripts for Ads That Convert in 2025 Motion
  9. An honest look at what actually makes creator content scale versus stall out after a few videos, useful before you commit... Neogen Media Article · D2C UGC Agency in India: How Creator Content Really Scales Neogen Media
  10. Real founders naming the specific tools and prompts they actually use daily, not a vendor listicle, the best gut-check against... Shopify Article · D2C How 12 Founders Are Using AI To Get Ahead (In Their Own Words) Shopify
  11. 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
  12. A weekly cadence keeps you aware of new AI tools without having to hunt for them yourself, better use of your time than... Beehiiv Newsletter · D2C AI for Ecommerce and Amazon Sellers Beehiiv
  13. Leans practical and implementable over hype, each issue is built to give you something you can apply to ads, listings, or ops... PPC Ninja Newsletter · D2C The AI for E-Commerce Newsletter PPC Ninja
  14. The official program page, read this before you apply, to see the actual eligibility, mentorship and benefits on offer rather... sell.amazon.in Article · D2C Propel Global Business Accelerator Amazon India
  15. Seeing which brands and categories actually got selected, and why, is a better gut-check for 'is my brand Propel-ready' than... aboutamazon.in Article · D2C Meet the 16 Startups Taking India to the World With Amazon's Propel Accelerator Amazon India
  16. Amazon's own aggregated data on what Indian exporters are actually selling and where, a decent proxy for category-level demand... sell.amazon.in Article · D2C Amazon Exports Digest 2025 Amazon India
  17. A genuinely global (non-India-specific) view of Amazon's 20+ marketplaces and which ones sellers typically expand into next,... junglescout.com Article · D2C How to Sell on Amazon International Marketplaces Jungle Scout
  18. Covers the FBA-specific fulfillment options (FBA Export, remote fulfillment, Pan-European FBA) in more technical depth than... sellerlabs.com Article · D2C Amazon FBA International Expansion: How to Scale Globally in 2026 Seller Labs
  19. 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
  20. GST is the single most common blocker for first-time Amazon India sellers; this is the official walk-through of getting a GSTIN... sell.amazon.in Article · D2C GST Registration Guide | How to Register for GST Amazon
  21. A complementary explainer to Jungle Scout's, good to read both since the two leading Amazon tool vendors emphasise slightly... Helium 10 Article · D2C What Is the Amazon Buy Box? Helium 10
  22. A useful stats roundup to sanity-check your own seller performance and CPC trends against the wider Amazon seller base, treat... novadata.io Article · D2C Amazon Seller Statistics: Key Data Points Nova
  23. A current, India-specific breakdown of trademark costs and timelines - the ₹4,500-per-class government fee and 6-18 month... Cashfree Blog Article · D2C How to Register Trademark in India (2026): Fees, Process & Timeline Cashfree
  24. The most directly actionable storytelling framework for a product page or About page - positions the customer as the hero and... storybrand.com Book · D2C Building a StoryBrand 2.0: Clarify Your Message So Customers Will Listen Donald Miller

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