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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. The single most useful free competitive research tool for D2C - see every ad a competitor is currently running across Facebook... Meta / Facebook Tool · D2C Meta Ad Library Meta
  2. A citable, third-party data point for India's overall D2C market size - useful for a pitch deck or your own back-of-envelope... Statista Article · D2C India: Direct-to-Consumer (D2C) Market Size 2025 Statista
  3. Covers Redseer's widely-cited India D2C GMV projection and growth rate in a free, readable news format - a good quick citation... Business Standard Article · D2C Domestic D2C Market Likely to Reach GMV of $35 Billion by 2027: Redseer Business Standard
  4. Goes behind the scenes of how real Indian D2C brands actually research and develop products end to end, including realistic... Inc42 Article · D2C An Inside Look at the Product Journey of India's D2C Brands Inc42
  5. Captures how Indian D2C founders and product teams actually narrow down market gaps - via social demographics and extensive... Inc42 Article · D2C The Makers Summit 2021: The Product Playbook for India's Rising D2C Brands Inc42
  6. The official Shopify documentation for what actually transfers - products, customers, orders - and what doesn't, so you're... help.shopify.com Article · D2C Migrate from WooCommerce to Shopify Shopify
  7. The most concrete, step-by-step SEO-preservation playbook for this exact migration - URL mapping, 301 redirects, meta data... dekstech.com Article · D2C How to Migrate from WooCommerce to Shopify Without Losing SEO Rankings Dekstech
  8. A real, expensive cautionary tale - a founder who switched platforms twice chasing a prettier storefront and burned real money... programminginsider.com Article · D2C Why I Switched from WordPress to Shopify (Then Back Again) - My $8K Lesson Programming Insider
  9. A real merchant forum thread of founders comparing notes on what actually changed - good or bad - when they moved between the... community.shopify.com Thread · D2C Shopify vs WooCommerce: Stories & Store Impact community.shopify.com
  10. Video · D2C Shopify vs WooCommerce: Which Is Better for Your Store in 2026? youtube.com
  11. Written by a headless-commerce vendor, so read it with that lens - but it's still the clearest explanation of what headless... getmason.io Article · D2C Why D2C Brands Need Headless eCommerce Mason
  12. A plain-English head-to-head that captures the real trade-off: Shopify's polish and app ecosystem versus Zoho Commerce's... epoch-techsolutions.com Article · D2C Zoho Commerce vs Shopify Review: Battle of the Online Storefront Superstars Epoch Tech Solutions
  13. A running, India-specific pulse on the D2C landscape - useful for tracking which platform, tech-stack and infrastructure... d2cinsider.com Newsletter · D2C D2C Insider Digest d2cinsider.com
  14. A fulfilment provider's practical definition and formula for landed cost, aimed squarely at ecommerce operators rather than... redstagfulfillment.com Article · D2C What Is Landed Cost and How Do I Calculate It? Red Stag Fulfillment
  15. An ecommerce-accounting firm's step-by-step COGS formula, useful as the accounting-correct companion to the more operational... ledgergurus.com Article · D2C How to Calculate Cost of Goods Sold (COGS) LedgerGurus
  16. Goes deeper than the beginner explainers on how landed cost flows into inventory accounting and eventually into COGS when a... ledgergurus.com Article · D2C Understanding Landed Cost: What It Is and How to Calculate It LedgerGurus
  17. Directly connects landed cost to pricing mistakes, the gap founders hit when their factory quote and actual cost turn out to be... fishbowlinventory.com Article · D2C Landed Cost: The Hidden Factor in Your Pricing Formula Fishbowl
  18. Estimates full landed cost including duties, taxes and the hidden charges founders typically forget to budget for on their... calcwise.finance Tool · D2C Advanced Import Duty Calculator India Calcwise
  19. A dedicated landed-cost calculator, not just duty, closer to the actual number you need for pricing than a duty-only tool. eximigo.com Tool · D2C Import Duty & Landed Cost Calculator Eximigo
  20. A free, current summary of the Profit First method and its allocation percentages, useful if you want the framework without... relayfi.com Article · D2C Profit First Method: The Complete Guide for Small Businesses Relay
  21. A free calculator-plus-guide combo for turning your landed cost into a retail price with a target margin, useful as a quick... freetoolstack.com Tool · D2C E-Commerce Pricing & Profit Margins Guide FreeToolStack
  22. Video · D2C Landed Cost and Margin Spreadsheet Tutorial YouTube
  23. Pairs the cohort-analysis explainer with current 2026 category benchmarks, so you're not just learning the method but... eightx.co Article · D2C What Is Cohort Analysis in Ecommerce? A DTC Operator's Plain-English Guide (with 2026 Benchmarks) Eightx
  24. Goes beyond the LTV formula into churn diagnostics - why a cohort's LTV curve flattens - which is the more useful, actionable... ask-luca.com Article · D2C Ecommerce Customer Lifetime Value - LTV:CAC Benchmarks, Churn Diagnostics, and Repeat Purchase Playbooks Luca

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