Explore · The library
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.
- Before you sink 50 to 120 hours into a launch, read this honest first-person account of what a launch actually returned across... Plain Sight Ventures Essay · Short essay, roughly a 6 minute read · Starting Up Is Product Hunt Worth It? Jason Walkow
- This is the clearest essay on why a flattening cohort retention curve is the thing that actually matters, and it lives on... andrewchen.com Essay · ~12 min read · Starting Up Retention is King Jamie Quint
- Most first-time founders either track nothing or drown themselves by logging every click, and this piece makes the case for the... Mean CEO Essay · Starting Up Event Tracking Strategy: What to Measure and Why Violetta Bonenkamp
- This is the piece that answers the second half of your question head on: when is it too early to even care. Skok's site is the... For Entrepreneurs (David Skok) Essay · Starting Up Why Early-Stage Startups Should Wait to Calculate LTV:CAC, and How They Should Use It When They Do Jared Sleeper and David Skok
- US benchmarks quietly assume US ACVs and US venture cash, so they mislead an Indian founder. This piece grounds the numbers in... upGrowth Article · Starting Up CAC Benchmarks for Indian B2B SaaS by ARR Band: The Real Numbers for 2026 Amol Ghemud
- This gives you the mental picture and the evidence in one place: a bucket full of holes barely fills no matter how fast you... Amplitude Article · Starting Up The Leaky Bucket Problem: More Users Don't Mean More Long-Term Growth Noorisingh Saini
- Most active-user counts quietly measure app opens, which is exactly the dishonesty this question is trying to avoid. This piece... Mixpanel blog Article · Starting Up Monthly active users (MAU): Definition, formula, and 2026 benchmarks Mixpanel
- This is the honest counter-argument most growth advice skips: when you have low traffic, formal A/B tests usually cannot reach... Entrepreneur Essay · Starting Up The Case Against A/B Testing at Early-Stage Startups Andrew Cohen
- When a lot of your funnel lives on WhatsApp, in-store, or over a phone call, the clean website conversion metrics stop telling... Ginesys Article · ~12 min read · Starting Up How Indian D2C Brands are Getting Customers to Return to their Site Ginesys
- Most founders call a paid campaign a winner or loser off a handful of clicks, and this piece walks through exactly why that... GuessTheTest Article · Starting Up Calculating Sample Size in A/B Testing: Everything You Need to Know Deborah O'Malley
- This is written from the point of view of the person who clicked your ad and then left, which is exactly the founder standing... Unbounce Essay · About a 10 minute read · Starting Up I Wanted to Convert on Your Landing Page, But I Couldn't. Here's Why. Amy Middleton Hebdon
- This is the cleaner half of the answer you actually asked: when a creative wears out and how often to swap it. Motion analyzes... Motion Article · 10 min read · Starting Up Ad Fatigue: What It Is and How to Avoid It Motion
- This is the piece that names the exact trap you are in: your ad platforms each claim credit for the same sales, so the numbers... Occam's Razor Essay · About a 15 minute read · Starting Up Marketing Analytics: Attribution Is Not Incrementality Avinash Kaushik
- This is the clearest honest take on the exact question: does capturing the lead inside the ad beat sending someone to your... Trio Media Article · ~8 min read · Starting Up Meta Ads Strategy: Lead Forms vs Website Conversions Claire Daniels
- This is the cleanest answer to the exact question of how to divide cold and warm budgets when you are just starting. It gives... Demand Curve Article · ~10 min read · Starting Up Prospecting and Retargeting Campaigns Demand Curve
- Before you obsess over the exact split, it helps to see why prospecting and retargeting exist at all and where each one sits in... Demand Curve Essay · ~8 min read · Starting Up Why social ads break the traditional funnel (Growth Newsletter #303) Demand Curve
- This is the rare piece that actually answers the question you asked, is the creator deal really cheaper, instead of quoting a... Sagum Article · about 12 minute read · Starting Up Influencer Marketing vs Digital Ads: The Real Cost Analysis Sagum
- This is a plain, practical breakdown of the three reasons Meta accounts actually get banned (policy violations, security flags,... Dancing Chicken Media Article · About a 10 minute read · Starting Up How to Prevent Meta Ad Account Bans Dancing Chicken Media
- Before you force yourself in front of a camera you dread, it is worth asking whether you truly need to be there, and this piece... ZoomSphere Article · Starting Up Faceless Content: How to Build a Personal Brand (Without Showing Your Face) Amanda Ryan
- This is the rare piece that treats the exact judgment call in the question instead of just cheerleading for personal branding.... Cultmethod Essay · ~12 min read · Starting Up Personal Brand vs. Business Brand (and the Secret Third Option): When to Choose Each Jon Persson
- This one names the failure mode the question is really worried about: an audience that follows you, not your product, and never... SUCCESS Article · ~8 min read · Starting Up The Personal Brand Trap Most Founders Never See Coming SUCCESS staff
- Most advice tells you to build in public without showing you what a non salesy post actually looks like, and this piece fixes... ravah.app Article · ~15 min read · Starting Up 27 Build in Public Post Ideas for Founders (With Examples) Usama
- This is a plain, numbered checklist of the exact errors most founders repeat in their first weeks of posting: pitching the... DotSimple Article · Starting Up The 9 Most Common Content Mistakes on LinkedIn That Founders Should Avoid DotSimple
- Before you worry about sounding different online, this teaches you to sound clear, and clarity is where a real voice starts.... Harper Collins / Google Books Book · 336 pages · Starting Up On Writing Well: The Classic Guide to Writing Nonfiction William Zinsser
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 →