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.

  1. Each YouTube ad format and how it is paid for: with cost-per-view bidding you pay when someone watches 30 seconds, the whole ad... support.google.com Article · Help page · Starting Up About video ad formats (Google Ads Help) Google
  2. Google's India page on setting an average daily budget and monthly spending limit in rupees, with a spend estimator. business.google.com Tool · Product page · Starting Up Google Ads campaign budget (India) Google
  3. Google's India page for YouTube advertising, with the formats and a Kantar survey in which 67% of surveyed viewers in India... business.google.com Article · Product page · Starting Up YouTube ads (Google Ads, India) Google
  4. Video · 19 min · Starting Up YouTube Ads Tutorial 2026 (Step-By-Step for Beginners) ZoCo Marketing
  5. Google's own five-step setup for a Search campaign: goal, settings, ad groups, ads and budget. At least one conversion goal is... support.google.com Article · Help page · Starting Up Create a Search campaign (Google Ads Help) Google
  6. Google's keyword research tool inside Google Ads: search volumes, trends and bid ranges for the phrases people type. ads.google.com Tool · Product page · Starting Up Keyword Planner (Google Ads) Google
  7. How Google Ads budgets work: an average daily budget, a monthly figure of daily budget times 30.4, and overdelivery on busy days. support.google.com Article · Help page · Starting Up Choose your bid and budget (Google Ads Help) Google
  8. How negative keywords stop ads showing for searches you do not want, such as 'free', 'jobs' or 'course'. support.google.com Article · Help page · Starting Up About negative keywords (Google Ads Help) Google
  9. The report that shows the actual searches your ads appeared for, the source of new keywords and negatives. support.google.com Article · Help page · Starting Up About the search terms report (Google Ads Help) Google
  10. Video · Video · Starting Up Google Ads Beginners Tutorial for 2026 (Step By Step) Grow My Ads
  11. Apple's enrolment help, which states that in India enrolment is only available through the Apple Developer app, and the 99 US... developer.apple.com Article · Help page · Starting Up Enrollment: Apple Developer account help Apple
  12. How to create the app record in App Store Connect with its name, primary language, bundle ID and SKU. developer.apple.com Article · Help page · Starting Up Add a new app (App Store Connect Help) Apple
  13. Apple's steps to choose a build, complete the app information, age rating and privacy details, and send it to App Review. developer.apple.com Article · Help page · Starting Up Submit an app (App Store Connect Help) Apple
  14. The rules Apple reviews every app against. Guideline 4.2 on minimum functionality rejects apps that are mostly marketing, web... developer.apple.com Article · Guidelines · Starting Up App Review Guidelines Apple
  15. Apple's page on review times and common rejections: at least 50% of submissions reviewed within 24 hours and 90% within 48... developer.apple.com Article · Program page · Starting Up App Review (Apple Developer) Apple
  16. Apple's beta testing service for inviting testers to try builds before release. developer.apple.com Tool · Product page · Starting Up TestFlight Apple
  17. Expo's docs for building and uploading an iOS app with eas build and eas submit, the route for React Native apps and many... docs.expo.dev Article · Docs · Starting Up Submit to the Apple App Store with Expo Submit Expo
  18. Video · 20 min · Starting Up How to Publish Your App to the App Store (Step by Step, 2026) Code with Beto
  19. The difference between personal and organisation accounts. An organisation account needs a D-U-N-S number, which Dun and... support.google.com Article · Help page · Starting Up Choose a developer account type (Play Console Help) Google
  20. The rule for personal accounts created after 13 November 2023: run a closed test with at least 12 testers opted in for 14 days... support.google.com Article · Help page · Starting Up App testing requirements for new personal developer accounts Google
  21. How to create an app in Play Console, complete the dashboard tasks and set up the store listing and app bundles. support.google.com Article · Help page · Starting Up Create and set up your app (Play Console Help) Google
  22. How to send an app for review and publish it, including the note that some accounts face reviews of up to seven days or longer. support.google.com Article · Help page · Starting Up Publish your app (Play Console Help) Google
  23. The current rule that new apps and updates must target Android 16 (API level 36) to be submitted, with the next deadline on 31... developer.android.com Article · Docs · Starting Up Meet Google Play's target API level requirement Android Developers
  24. Expo's docs for uploading an Android build to Play with eas submit. docs.expo.dev Article · Docs · Starting Up Submit to the Google Play Store with Expo Submit Expo

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