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. Meta's own starting point for advertisers, with what each ad objective is for (sales, leads, engagement, traffic, awareness,... facebook.com Article · 5 min · D2C Meta Ads: start advertising on Facebook, Instagram, Messenger and WhatsApp Meta
  2. Meta's explanation of the campaign, ad set and ad levels in Ads Manager and which decision belongs to which level; the map you... facebook.com Article · 4 min · D2C What are the advertising levels in Meta Ads Manager? Meta
  3. Etsy's help article on listing fees: $0.20 to create or renew a listing, charged again for each extra quantity sold, with... help.etsy.com Article · 3 min · D2C Etsy Help: Fees and Listing Multiple Quantities Etsy
  4. The GST portal's own steps for filing a Letter of Undertaking, which lets you export goods or services, including digital... tutorial.gst.gov.in Article · 5 min · D2C Filing of Letter of Undertaking for Export of Goods or Services (Form GST RFD-11) GSTN
  5. A practical 2026 guide to what digital products sell (templates, courses, presets, printables, memberships) and how to price... shopify.com Article · 15 min · D2C 11 Best Digital Products to Sell Online in 2026 Shopify
  6. Shopify's own steps for drafting a product description with Sidekick from the product admin: give it a title and keywords, then... help.shopify.com Article · 3 min · D2C Automatically generating product descriptions Shopify
  7. Amazon's guide to its generative AI listing tools in Seller Central: create a listing from a few words, a product image or your... sell.amazon.com Article · 8 min · D2C How to use Amazon AI to create product listings Amazon
  8. The contract every business on the WhatsApp Business Platform accepts. Section 4.7 bars providers whose main product is a... facebook.com Article · 20 min · D2C Meta Terms for WhatsApp Business Platform Meta
  9. One of the operator DLT portals every Indian business must register on before sending commercial SMS; the FAQ explains... vilpower.in Article · 15 min · D2C Vilpower DLT FAQs Vodafone Idea
  10. Meesho's fee page: 0% commission, no registration or collection fee, no penalties, 18% GST on shipping charges and no return... supplier.meesho.com Article · 4 min · D2C Meesho Commission Rate and Fee Structure Meesho
  11. The government's own note on the September 2025 GST changes for textiles: readymade garments up to ₹2,500 a piece now carry 5%... pib.gov.in Article · 5 min · D2C GST Reforms in Textiles, Apparel, and Logistics Press Information Bureau, Government of India
  12. A clear 2026 explainer of the garment GST rule after 22 September 2025: 5% up to ₹2,500 a piece and 18% above it, by HSN code,... busy.in Article · 10 min · D2C New GST on Garments and Apparel in India BUSY
  13. A thorough 2026 walk-through of starting a clothing brand: niche, designs, production models (print on demand, cut and sew,... shopify.com Article · 15 min · D2C How To Start a Clothing Brand in 14 Steps (2026) Shopify
  14. A step-by-step guide to Flipkart's quick-commerce channel: the mobile onboarding app, the documents it asks for, and how it... unicommerce.com Article · 10 min · D2C How to sell on Flipkart Minutes Unicommerce
  15. A short second walk-through of the Flipkart Minutes app registration, with the documents and product information to have ready. shiprocket.in Article · 8 min · D2C Sell on Flipkart Minutes App: Seller Registration and Setup Guide Shiprocket
  16. A side-by-side listing of three Indian restaurant POS systems with user ratings, review counts and listed plan prices, useful... techjockey.com Article · 5 min · D2C Petpooja vs POSist vs Rista: comparison Techjockey
  17. Instagram's own criteria for the free, notability-based badge: authentic, unique, complete and notable, with paid or sponsored... help.instagram.com Article · 4 min · D2C Requirements to apply for a verified badge on Instagram Instagram
  18. Instagram's steps for requesting the badge from the app on Android or iPhone. help.instagram.com Article · 2 min · D2C Request a verified badge for your Instagram profile Instagram
  19. Meta's comparison of the four business plans (Standard, Plus, Premium, Max) and what each adds, from search optimisation to... facebook.com Article · 5 min · D2C Meta Verified business subscription plans and benefits Meta
  20. The creator side of Meta Verified, for a founder verifying a personal profile: age, government ID, profile and activity... help.instagram.com Article · 5 min · D2C Eligibility requirements for Meta Verified creator subscriptions Instagram
  21. A service page that sets out the documents and steps and states the timing plainly: an ARN on submission, approval in about 7... indiafilings.com Article · ~10 min read · D2C GST Registration Online in India IndiaFilings
  22. Ahrefs tracked 1M random URLs to see how many reached Google's top 10 within a year: only 1.74% did, and the average #1 page is... ahrefs.com Article · 10 min read · D2C How Long Does It Take to Rank in Google? (Ahrefs study) Ahrefs
  23. A practical list of the SEO mistakes that cost sites traffic and how to fix each, updated August 2026. ahrefs.com Article · 15 min read · D2C 15 Common SEO Mistakes (And How to Fix Them) Ahrefs
  24. Google's own guidance on hiring an SEO: the questions to ask, and the warning that no one can guarantee a #1 ranking on Google. developers.google.com Article · D2C Do you need an SEO? (Google Search Central) Google

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