Explore
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.
- This is Meta's own plain language explainer of the auction, the primary source for the three inputs your ad is actually judged... Meta for Business Article · D2C Facebook Ad Auctions Explained Meta for Business
- Once you know the auction has a bid component, this is the clearest breakdown of which bid strategy actually controls what,... Jon Loomer Digital Article · D2C Facebook Ads Bid Strategies: Lowest Cost, Cost Cap, Bid Cap Jon Loomer
- The auction runs on Meta's estimate of who will buy, and that estimate is only as good as the purchase data you send back. This... Meta for Developers Article · D2C Conversions API Meta for Developers
- Since creative wins the auction, this guide teaches you to actually use Meta's free public Ads Library to see what every... Foreplay Article · D2C Facebook Ads Library: The Definitive Guide Foreplay
- Meta's own page on how tax is applied to your ad spend, the starting point for an Indian founder before assuming their invoiced... Meta Business Help Centre Article · D2C Taxes on Meta ads placement Meta Business Help Centre
- Meta does not charge GST on its invoice to Indian advertisers, so most founders underestimate the real cost of their ad spend... Legal Suvidha Article · D2C Facebook Ads TDS & Refund Rules 2026-27 Legal Suvidha
- Reports the removal of the 6 percent equalisation levy on foreign digital ad platforms from April 2025, a real change to the... Business Standard Report · D2C India to scrap 6% equalisation levy on digital ads, leading to revenue loss Business Standard
- An independent market data report on where Indian digital ad spend is actually going, useful for benchmarking whether your own... Sensor Tower Report · D2C India State of Digital Advertising 2025 Sensor Tower
- It is the exact screen by screen path Meta expects you to follow, useful for cross checking against whatever a paid tutorial... Meta Business Help Center Article · D2C Set up and install the Meta Pixel Meta Business Help Center
- Read this before touching any settings so you understand why CAPI exists, not just how to click through it. Meta Business Help Center Article · D2C About Conversions API Meta Business Help Center
- This is the actual settings page language you will see inside your own Shopify admin, so it removes guesswork about which... Shopify Help Center Article · D2C Facebook data sharing Shopify Help Center
- Running pixel and CAPI together without matching event_ids just means you're double counting, not building redundancy. This... Meta for Developers Article · D2C Handling Duplicate Pixel and Conversions API Events Meta for Developers
- If you're not on Shopify or want a CAPI setup independent of your platform's native app, this is the clearest independent... Jon Loomer Digital Article · D2C Set Up Meta Conversions API Gateway Using Stape Jon Loomer
- Turning on CAPI is step one. This is the step two guide for making sure the data you send is actually good enough for Meta to use. WeltPixel Article · D2C Meta Event Match Quality (EMQ): How to Improve Your Score WeltPixel
- Indian founders hit business verification friction Western guides never mention. This is written for exactly that gap, using... Interakt Article · D2C 10 Step Guide To Get Meta Business Verification [Without Website] Interakt
- A clear technical comparison from a Chennai built team that builds first party data tooling for a living, useful once you're... CustomerLabs Article · D2C Conversions API vs. Meta Pixel: What's Better for Tracking? CustomerLabs
- Most tracking guides ignore what stage a brand is at. This one is pegged to a specific, realistic Indian D2C spend level, so... Wittelsbach Report · D2C 10L/Month D2C Brand Meta Ads Playbook: From Survival to First Profitable Spend Wittelsbach
- This is Meta's own definition of the learning phase and the roughly 50 optimization events a week benchmark our short answer is... Meta Business Help Center Article · D2C About the Learning Phase Meta
- 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
- 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
- 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
- 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
- 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
- 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
The hubs
Starting Up
Find an idea, validate it, build, and land your first customers.
GTM
Go-to-market, from breaking in to how the best teams do it.
D2C
Building a direct-to-consumer brand, India-first.
Wealth
Paying yourself, ESOPs, secondaries, and de-risking founder wealth.
How Founders Use AI
How founders actually put AI to work, mapped topic by topic.
Glossary
Plain-language definitions of the startup and VC terms you'll hit.
eChai Partner Brands
The partnership →