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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. Names the roles precisely (end user, champion, economic buyer, influencer, veto power, procurement) so you stop calling... Disciplined Entrepreneurship (MIT) Article · 10 min read · GTM The Decision-Making Unit: The Who-is-Who of Your B2B Sales Process Martin Giese and Matthias Hilpert In 2 answers
  2. A concrete menu of the events that put an account into a buying window, from job changes to fiscal cycles, which is exactly... UserGems Article · 10 min read · GTM 18 buying triggers for identifying B2B buying cycles UserGems In 2 answers
  3. The interviewing craft, not the theory: how to open so people feel safe being blunt, how to use five whys past the polite... Klue Article · 14 min read · GTM How to Conduct Win-Loss Interviews: Step-By-Step Guide Klue In 2 answers
  4. Accel India's three tests for a segment (uniformity, enough size, reachability at a sane acquisition cost) are the cleanest way... SeedToScale Insights (Accel India) Article · 12 min read · GTM Defining Your Market: Choose the right peak before you start climbing the mountain Accel India In 2 answers
  5. Three real startup homepages taken apart, showing the whole chain from positioning statement to messaging to the actual... MKT1 Newsletter Newsletter · 20 min read · GTM Positioning & messaging teardown, with Anthony Pierri Emily Kramer and Anthony Pierri In 2 answers
  6. Walks an Indian SaaS team from positioning through story, style guide and proof, with Keka and Chargebee as worked examples... Inc42 Article · 10 min read · GTM Indian SaaS Startups' Guide To Brand Marketing Komal Ahuja In 2 answers
  7. The operational half of taking on an incumbent: timing outreach to renewal windows, mining review sites for the buyer's own... MarketBetter Article · 22 min read · GTM How to Run a Competitive Displacement Campaign: The Complete Playbook for Winning Deals From Incumbent Vendors MarketBetter Team In 2 answers
  8. A founder writing up her own repositioning in detail, including naming Intercom and Customer.io directly and landing on a... Userlist Article · 16 min read · GTM How We Used April Dunford's 10-Step Method to Overhaul Positioning at Userlist Jane Portman In 2 answers
  9. The clearest Indian example of a company outgrowing its own product name and building an umbrella brand over Freshservice,... Forbes India Article · 7 min read · GTM Freshdesk rebrands as Freshworks to reflect bigger business management software ambition Harichandan Arakali In 2 answers
  10. The clearest single page on the boring setup nobody explains to a first-time sender: why you buy secondary domains, what SPF,... Unify Article · 15 min read · GTM Cold Email in 2026: Domains, Deliverability, Replies Austin Hughes In 2 answers
  11. The mechanical walkthrough: search filters, what Sales Navigator adds over the free version, how to read a profile before you... HubSpot Article · 18 min read · GTM LinkedIn for Social Selling: How to Research, Prospect, & Sell on Platform Justina Thompson In 2 answers
  12. Settles the LinkedIn versus email versus phone argument with one team's real logs: 451,895 calls, 149,376 emails, 39,679 booked... Cognism Report · 30 min read · GTM State of Outbound 2026 Cognism In 2 answers
  13. Shopify's performance marketing lead on channel order (Google search first, LinkedIn reserved for tight B2B targeting because... Lenny's Newsletter Podcast · 75 min listen · GTM The ultimate guide to performance marketing Timothy Davis with Lenny Rachitsky In 2 answers
  14. Names the six channels B2B companies actually grow on and shows how top companies weight them, which is the frame you need when... Lenny's Newsletter Newsletter · 20 min read · GTM Scaling your B2B growth engine Lenny Rachitsky In 2 answers
  15. Isford's team found Airtable's aha moment and lifted activation about 20 percent by rebuilding onboarding around it, so this is... Lenny's Podcast Podcast · 64 min · GTM Mastering onboarding | Lauryn Isford (Head of Growth at Airtable) Lauryn Isford with Lenny Rachitsky In 2 answers
  16. Video · 40 min · GTM From Outbound to Channel Partnerships: Your Burning Sales Questions Answered by Jason Lemkin Jason Lemkin In 2 answers
  17. Podcast · 26 min · GTM S6E1 - Product Led Growth ft. Ruchin Kulkarni, Co-founder of Toplyne.io Ruchin Kulkarni In 2 answers
  18. Video · 16 min · GTM The Ultimate Guide to Cold Email Deliverability in 2025 Instantly In 2 answers
  19. Podcast · 45 min · GTM Getting SaaS pricing right (1/2) - Varun Shoor, Kayako | BTS E14 | SaaSBoomi Podcast Varun Shoor In 2 answers
  20. How ELSS gives you an 80C tax deduction while keeping the money in equity, with the shortest lock in of the 80C options. ClearTax Article · Wealth ELSS tax-saving funds ClearTax In 2 answers
  21. Hard data: even technical YC founders let AI write 95% of the code. techcrunch.com Article · How Founders Use AI A quarter of YC's cohort have codebases that are almost entirely AI-generated TechCrunch In 2 answers
  22. India's sharpest business publication on the homegrown vibe-coding wave. the-ken.com Article · How Founders Use AI How SoftBank-backed Emergent is scripting a vibe-coding playbook The Ken In 2 answers
  23. Lovable's CEO explains exactly who the tool is built for. lennysnewsletter.com Podcast · How Founders Use AI Building Lovable: $10M ARR in 60 days | Anton Osika Lenny's Podcast In 2 answers
  24. Replit's CEO on the all-in-one build, host, and learn platform. lennysnewsletter.com Podcast · How Founders Use AI Behind the product: Replit | Amjad Masad Lenny's Podcast In 2 answers

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The hubs

Starting Up Find an idea, validate it, build, and land your first customers. 1046 questions GTM Go-to-market, from breaking in to how the best teams do it. 352 questions D2C Building a direct-to-consumer brand, India-first. 482 questions Wealth Paying yourself, ESOPs, secondaries, and de-risking founder wealth. 154 questions How Founders Use AI How founders actually put AI to work, mapped topic by topic. 278 questions Glossary Plain-language definitions of the startup and VC terms you'll hit. 390 terms
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