Every resource founders actually use, in one library.

What founders use most, ranked by how many answers lean on it.

1. Directly useful if part of your targeting question is whether you should even be emailing the CEO. It looks at how seniority... Gong Article · Starting Up Do execs really reply to cold email? Here's what the data says Gong In 3 answers
2. Migicovsky built Pebble on hundreds of these conversations, and this lecture is the specific playbook: how to find your first... Y Combinator Library Video · ~50 min · Starting Up How to Start a Startup: Talking to Users Eric Migicovsky In 3 answers
3. Video · ~20 min · Starting Up Customer Discovery: What Do You Ask Justin Wilcox In 3 answers
4. A short form that produces a starter interview script tailored to your product, built on the same rules as Wilcox's videos... Customer Development Labs Tool · Starting Up Customer Interview Script Generator Justin Wilcox In 3 answers
5. Ellis lays out the 40 percent test, the survey question and threshold he found across hundreds of startups for knowing you have... GrowthHackers Essay · Starting Up Using Product/Market Fit to Drive Sustainable Growth Sean Ellis In 3 answers
6. Gupta names the Mom Test problem directly, that people in interviews behave like your mom and unconsciously lie to keep you... Aakash Gupta Essay · Starting Up Customer Interviews: Advanced Techniques Aakash Gupta In 3 answers
7. Amy Hoy and Alex Hillman built the Sales Safari methodology, and a business, around finding what an audience already complains... Stacking the Bricks Essay · 12 min read · Starting Up Updating the Sales Safari System for 2023 Alex Hillman In 3 answers
8. A structured framework for CM1/CM2/contribution margin thinking that applies directly to a D2C brand regardless of market, the... Eightx Article · D2C Ecommerce Unit Economics 2026: The Complete Founder's Framework Eightx In 3 answers
9. The easiest on-ramp into proper bookkeeping for a founder with zero accounting background, free under Rs 25 lakh turnover and... Zoho Books Tool · D2C Zoho Books, Online Accounting Software for India Zoho In 3 answers
10. A neutral, feature-by-feature comparison of the three tools every Indian founder actually considers, saves you from three... G2 Article · D2C Zoho Books vs. Tally vs. Vyapar: How Do They Compare? G2 In 3 answers
11. A CA firm's practical picks rather than a vendor's self-promotion, useful second opinion when deciding what to actually... PKC India Article · D2C Best Bookkeeping Software in India: Best Picks (2025) PKC India In 3 answers
12. The clearest breakdown of turning creative testing from a guessing game into a repeatable system, isolate one variable, define... Insense Article · D2C How to Build an Ad Creative Testing System with UGC in 2025 Insense In 3 answers
13. A DTC media buyer who has spent millions pushing the 'creative is the strategy' view, watch him break down real winning and... YouTube Video · D2C Nick Theriot (YouTube Channel) Nick Theriot In 3 answers
14. A category-by-category map (photography, ad creative, support, forecasting) rather than one long undifferentiated tool list,... Nightjar Article · D2C 10 Best AI Products for Ecommerce Businesses in 2026: A Category-by-Category Stack Guide Nightjar In 3 answers
15. A round-up of what real ecommerce founders recommend on Reddit rather than vendor marketing, useful reality check on where AI... Superpower Thread · D2C Best AI Tools for Ecommerce: Reddit Picks Superpower In 3 answers
16. Practical advice drawn from the Propel cohort of 70+ Indian startups, understand the local customer, plan inventory for peak... aboutamazon.in Article · D2C 5 Amazon Global Selling Tips for Indian D2C Brands Amazon India In 3 answers
17. One of the clearer breakdowns of what actually drives Buy Box eligibility and rotation, price, fulfilment method, performance... Jungle Scout Article · D2C Amazon Buy Box: How to Win It Jungle Scout In 3 answers
18. Video · D2C How to Register a Private Limited Company in India (Step-by-Step Guide 2025) YouTube In 3 answers
19. One of the few pieces that actually maps Shopify, WooCommerce, Dukaan and Zoho Commerce against Indian founder stages -... goqpe.com Article · D2C Best E-commerce Platforms for D2C Brands in India (2026 Edition) QPe In 3 answers
20. Turns the BCD/SWS/IGST formula into a usable tool, HS-code-based, current-rate landed-cost estimate before you commit to an order. dutydecoder.com Tool · D2C India Import Duty Calculator DutyDecoder In 3 answers
21. The official government calculator, the source of truth to cross-check any third-party landed-cost tool against before you... icegate.gov.in Tool · D2C Custom Duty Calculator ICEGATE (Indian Customs) In 3 answers
22. The clearest framework for the casual-buyer-to-superfan journey, built around a 'Superfan Pyramid' that maps directly onto... patflynn.com Book · D2C Superfans: The Easy Way to Stand Out, Grow Your Tribe, and Build a Successful Business Pat Flynn In 3 answers
23. An India-first, AI-assisted platform that bundles loyalty, referrals and reviews into one Shopify app - reported case studies... nector.io Tool · D2C Nector - Loyalty, Referrals & Reviews for Shopify DTC and Retail Brands Nector In 3 answers
24. The original, still-referenced case for repurposing one shoot into dozens of platform-native pieces - Gary's team famously... garyvaynerchuk.com Article · D2C The GaryVee Content Strategy: How to Grow and Distribute Your Brand's Social Media Content Gary Vaynerchuk In 3 answers

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