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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. Video · How Founders Use AI How to overcome prospect resistance: Josh Braun's 4T cold email framework Josh Braun
  2. Teardowns of generic outreach that read exactly like what AI produces on autopilot, and the fix. joshbraun.com Article · How Founders Use AI Declaring War On Boring Cold Outreach Josh Braun
  3. Video · How Founders Use AI How to Use AI for Prospecting Executives (Kyle Coleman, Copy.ai) Kyle Coleman (Copy.ai)
  4. Practical prompting patterns for AI-assisted emails that do not sound AI-written. copy.ai Guide · How Founders Use AI AI-Powered Cold Emails: A Comprehensive Guide Copy.ai (now part of Fullcast)
  5. A current best-practices baseline before you layer any automation on top. copy.ai Guide · How Founders Use AI 2025 Cold Email Guide Copy.ai (now part of Fullcast)
  6. The largest cold email dataset ever analyzed, showing what top 10% senders do differently. gong.io Guide · How Founders Use AI How to Master Cold Email (based on 85 million emails) Gong
  7. The raw data report: 85M+ emails distilled into rules you can apply to tomorrow's send. tactics.30mpc.com Guide · How Founders Use AI The Ultimate Cold Email Data Report (30MPC x Gong) 30 Minutes to President's Club + Gong
  8. A tactical hour on using AI for research and relevance without drifting into robotic messaging. outboundsquad.com Podcast · How Founders Use AI AI Masterclass: THE guide on how to leverage AI for outbound (Elric Legloire) Jason Bay (Outbound Squad)
  9. Straightforward, tool-agnostic guide on where AI helps in cold email and where humans must stay. hunter.io Guide · How Founders Use AI How To Use AI For Cold Email (Guide) Hunter.io
  10. Video · How Founders Use AI How AI will redefine cold email in 2025 | Instantly Masterclass Instantly.ai
  11. The audio version covers cold outreach channels, messaging structure, and pricing conversations step by step. open.spotify.com Podcast · How Founders Use AI The ultimate guide to founder-led sales | Jen Abel (Lenny's Podcast) Lenny's Podcast
  12. The sequel: what changes in the motion once early deals start closing. open.spotify.com Podcast · How Founders Use AI Sell the alpha, not the feature: enterprise playbook for $1M to $10M ARR | Jen Abel Lenny's Podcast
  13. The whole founder-led sales framework compressed into one scannable thread. x.com Thread · How Founders Use AI Lenny's thread: the ultimate guide to 0-to-1 sales Lenny Rachitsky
  14. Listen-while-commuting version of the definitive founder-led sales interview. podcasts.apple.com Podcast · How Founders Use AI Founder-led sales | Pete Kazanjy (Lenny's Podcast, Apple) Lenny's Podcast
  15. Founders who just finished the journey share what worked, recorded while the lessons were fresh. open.spotify.com Podcast · How Founders Use AI Founder-Led Sales Stories with Pete Kazanjy Pete Kazanjy
  16. Kazanjy retelling the motion as a practitioner story rather than a framework lecture. dock.us Podcast · How Founders Use AI Founding Sales: Peter Kazanjy on selling as Co-Founder at Atrium (Grow & Tell) Dock (Grow & Tell)
  17. Shows what comes after founder-led sales, so you know when and how to hand the motion off. cloud.substack.com Article · How Founders Use AI How to Build Your First SDR Team, With Sam Blond (ex-CRO of Brex) Sam Blond / Bessemer Cloud
  18. A second angle on Kazanjy's playbook with more focus on mindset shifts for founders. salesiqglobal.com Podcast · How Founders Use AI Founder-Led Selling, with Peter Kazanjy (SalesIQ) SalesIQ Global
  19. A startup-banking team explains AI-assisted ICP work with the crucial caveats about validation. mercury.com Article · How Founders Use AI How AI can help startups define their ICP Mercury
  20. Argues an ICP must be built backward from closed-won data, the discipline most founders skip. clay.com Guide · How Founders Use AI The Complete Guide to Ideal Customer Profiles (ICP) Clay
  21. Turns fit and intent into a score so you contact the best 20% of your list first. clay.com Guide · How Founders Use AI Lead Scoring in Clay: Step-by-Step Guide Clay
  22. A vendor-neutral-enough walkthrough of the ICP-to-list pipeline inside Clay. smartlead.ai Guide · How Founders Use AI Build Lead Lists With Clay: Step-by-Step Tutorial Smartlead
  23. Video · How Founders Use AI Apollo.io Lead Generation Tutorial 2025: Tips for Finding Target Prospects Independent GTM creator (YouTube)
  24. Video · How Founders Use AI How to Use Apollo.io (2025) | Complete & Easy Tutorial For Beginners Independent GTM creator (YouTube)

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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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