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. Instagram's own hub of best practices on creation, growth, reach and monetisation, kept current by the platform; the place to... creators.instagram.com Article · 10 min · D2C Instagram for Creators Instagram
  2. A clear 2026 summary of what Instagram's head has said publicly about ranking, turned into posting advice, including trial... buffer.com Article · 15 min · D2C How the Instagram Algorithm Works: Up-to-Date 2026 Guide Buffer
  3. Later's 2026 guide to Instagram's ranking signals, written for brands, with practical changes to make to Reels, captions and... later.com Article · 12 min · D2C Instagram algorithm in 2026: rank signals for growth Later
  4. Video · 11 min · D2C If I Started a New Instagram Account in 2026 I'd Do This Sunny Gala
  5. Video · 19 min · D2C The EXACT Strategy To Grow Fast on Instagram in 30 Days (2026) heyDominik
  6. Video · 15 min · D2C 7 Steps to Start Ecommerce Business in 2026 (Amazon, Flipkart, Meesho and Website) Konnection Business
  7. 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
  8. 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
  9. Video · 1 hr 6 min · D2C The BEST Facebook Ads Tutorial For Beginners in 2026 Ben Heath
  10. Video · 1 hr 4 min · D2C Meta Ads Course 2026: Beginner to Advanced D2C Decoded by Nikhil
  11. Video · 11 min · D2C WhatsApp Marketing Masterclass in 12 Mins (2026) Damini Tripathi
  12. Gumroad's fees: 10% plus $0.50 per sale through your own link, 30% through its Discover marketplace, no monthly fee, and... gumroad.com Tool · 3 min · D2C Gumroad Pricing Gumroad
  13. Lemon Squeezy's fees for selling software and digital products globally: 5% plus 50 cents per sale, no monthly fee, and it acts... lemonsqueezy.com Tool · 4 min · D2C Lemon Squeezy Pricing Lemon Squeezy
  14. 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
  15. 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
  16. 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
  17. Video · 24 min · D2C Selling Digital Products In 2026 Is Actually Simple (Here's How) Richard Yu
  18. 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
  19. 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
  20. An AI writer built for ecommerce catalogues: product descriptions, meta titles and category pages in 40+ languages, with brand... hypotenuse.ai Tool · 3 min · D2C Hypotenuse AI Pricing Hypotenuse AI
  21. Video · 9 min · D2C How to Create Amazon Seller Account 2026 (Step by Step) Konnection Business
  22. Video · 15 min · D2C Sell on Amazon India: Full Journey from Self Ship to FBA (2026 Guide) Konnection Business
  23. Odoo's rupee pricing: one app free with unlimited users, Standard from Rs 580 per user a month billed yearly for all apps, for... odoo.com Tool · 4 min · D2C Odoo Pricing Odoo
  24. Video · 15 min · D2C Zoho Inventory Tutorial Stewart Gauld

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The hubs

Starting Up Find an idea, validate it, build, and land your first customers. 1327 questions GTM Go-to-market, from breaking in to how the best teams do it. 379 questions D2C Building a direct-to-consumer brand, India-first. 512 questions Wealth Paying yourself, ESOPs, secondaries, and de-risking founder wealth. 165 questions How Founders Use AI How founders actually put AI to work, mapped topic by topic. 360 questions Glossary Plain-language definitions of the startup and VC terms you'll hit. 425 terms
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