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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. Meta's own pricing and budgeting primer spells out the actual platform minimums, so you know the floor before you decide your... Meta for Business Article · D2C Facebook and Instagram Ads: Budgets, Costs & Schedules Meta
  2. Loomer is one of the most cited independent Meta ads practitioners, and this piece turns the abstract 50 events rule into... Jon Loomer Digital Article · D2C Facebook Ads and the Learning Phase Jon Loomer
  3. Shopify updates this cost breakdown against live data on a rolling basis, so the CPC and CPM benchmarks and the learning phase... Shopify Article · D2C What Facebook Ads Cost in November 2025 Shopify
  4. Brings in a practitioner's rule (start with roughly $1,000 for low ticket products, more for high ticket) rather than a flat... HubSpot Article · D2C How to Plan Your Facebook Ads Budget (And Make The Biggest Impact) HubSpot
  5. A long running, frequently updated benchmark piece with cost per click broken out by industry, so you can sanity check whether... WordStream Article · D2C How Much Do Facebook Ads Cost? (+9 Ways to Stretch Your Budget) WordStream
  6. A free calculator that turns your target audience size, objective, and desired results into an actual budget figure, useful for... AdEspresso Tool · D2C The Ultimate Guide to Facebook Ads Budgets (+ Free Calculator) AdEspresso
  7. Foxwell's agency manages Meta spend for hundreds of DTC brands, and here he makes the counterintuitive case for compressing a... Cobble Hill Podcast · D2C What actually moves the needle on Meta right now, with Andrew Foxwell Andrew Foxwell
  8. Real bootstrapped founders comparing notes on their actual starting numbers, a useful gut check against the agency scale advice... Indie Hackers Thread · D2C How much should I be spending on ads? Indie Hackers
  9. Sharma advises dozens of DTC brands and states plainly that you need a testing fund you're prepared to lose before you touch... Sharma Brands Newsletter · D2C 7 Things to do After Launching Your Brand Nik Sharma
  10. Straight from Meta: explains exactly how Advantage+ detailed targeting expands past your chosen interests, and where it does... Meta Business Help Center Article · D2C About Advantage+ Detailed Targeting Meta
  11. Documents Meta's own mid-2025 move to fold many interest categories into broader groupings, the exact policy shift pushing... Meta Business Help Center Article · D2C Updates to Detailed Targeting Meta
  12. Meta's own free training walks through setting up an Advantage+ Sales campaign end to end, worth doing before you touch Ads... Meta Blueprint Course · D2C Maximize Performance with Advantage+ Sales Campaigns Meta
  13. Jon Loomer actually ran the A/B test rather than repeating platform talking points, so this is one of the few sources with... Jon Loomer Digital Article · D2C Test Results: Advantage+ Audience vs. Detailed Targeting and Lookalikes Jon Loomer
  14. A practical, opinionated playbook for what to actually set (and skip) in Ads Manager today, from someone who has been publicly... Jon Loomer Digital Article · D2C How to Approach Meta Ads Targeting Now: A Detailed Guide Jon Loomer
  15. Foxwell Digital runs Meta spend for large DTC brands, and this explains the specific mechanism (declining First-Time Impression... Foxwell Digital Article · D2C Meta Broad Targeting: Why Skipping Exclusions Works Foxwell Digital
  16. Video · D2C Meta Killed Targeting. Now Creative Is Your Only Lever (with Andrew Foxwell) Andrew Foxwell
  17. An independently run test, not a Meta-sponsored case study, that puts Advantage+ Audience next to interest targeting inside the... Search Engine Land Article · D2C Testing Meta's AI-powered Advantage+ Targeting: What We Learned and What to Expect Search Engine Land
  18. Two working media buyers walk through a real multi-million-dollar Advantage+ test built around a single broad campaign carrying... Perpetual Traffic Podcast · D2C Episode 705: Killer Meta Advantage+ Case Study: 1 Campaign, 1 Ad Set, 50 Ads Ralph Burns, John Moran
  19. Triple Whale sits inside thousands of DTC ad accounts as an analytics tool, so this is written specifically for ecommerce... Triple Whale Article · D2C Your Creative Is Now Your Targeting: How AI-Driven Delivery Flipped the Script on Ecommerce Advertising Triple Whale
  20. AdExchanger is required reading in ad tech for a reason: this piece pushes back on the 'broad always wins' consensus and lays... AdExchanger Article · D2C For Meta Marketers, Automation Isn't Always The Advantage (But It's Complicated) AdExchanger
  21. Meta's own India-facing newsroom post on how Indian brands are using its automated ad tools, useful for a direct read of Meta's... Meta Newsroom (about.fb.com) Article · D2C Helping Indian Brands Grow Their Cross Border Business With Meta Ad Tools Meta
  22. Inc42 is India's primary startup trade press, and this piece talks directly to Indian D2C founders about the exact symptom, ad... Inc42 Article · D2C Conquering Ad Fatigue: How D2C Startups Can Revamp Their Facebook Ad Strategy Inc42
  23. The single most India-specific twist on this question: with most orders on COD and a large share coming back as RTO, an Indian... Smartbiz Help Center Article · D2C How to Reduce Return to Origin (RTO) Using Meta Events Smartbiz Help Center
  24. A named, credible Indian D2C brand and its actual targeting choice, a useful real-world data point on when a narrower,... DeltaX Report · D2C Clear Skies Ahead: Mamaearth's 102% ROAS Through Weather-Targeted Marketing DeltaX

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