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. Enterprise sales theory assumes a deal team and a discovery process, but an early founder is often talking to someone they... Tortoise Labs Essay · Starting Up How to Talk to Potential Customers About Pricing Nick Rimsa
  2. This is the cleanest breakdown of the real decision: it maps public pricing versus a contact sales gate onto your deal size... Monetizely Article · Starting Up Should I Display Our SaaS Pricing on the Homepage? A Strategic Breakdown Monetizely
  3. A first-person founder account from Buffer's CEO on choosing to put their pricing (and the costs behind it) fully in the open,... Buffer Essay · Starting Up Introducing Transparent Pricing: What Your Money is Used for When You Purchase a Buffer Subscription Joel Gascoigne
  4. This is the canonical piece on packaging one product into three tiers so it stretches across price-sensitive and premium buyers... Harvard Business Review Article · Article, around 10 to 12 minute read · Starting Up The Good-Better-Best Approach to Pricing Rafi Mohammed
  5. When your product is half built, the temptation is to give it away and hope revenue comes later. Ash Rust argues the opposite:... Medium Essay · ~8 min read · Starting Up Startup Sales: How to Charge your First 5 Customers Ash Rust
  6. This is the practical companion to charging early: how to set a first customer rate you can raise later without making early... The Bootstrapped Founder Article · ~10 min read · Starting Up Your Initial Pricing Will Never Be Right, But Try Anyway Arvid Kahl
  7. This lays out the exact tension in the question: a lifetime deal hands you $50k to $500k today, but those buyers keep consuming... Dodo Payments Article · about 8 min read · Starting Up Why Lifetime Deals (LTDs) are a Double-Edged Sword for SaaS Aarthi Poonia
  8. Most pieces on this question are payment vendors selling you a billing model, so they always land on subscriptions. This is a... Indie Hackers Essay · Starting Up Subscriptions vs. One-Time Payments: A Developer's Honest Take Smoteria
  9. Most pricing advice stays abstract, so here is a real writeup of an experiment with the numbers left in. They raised the... Conversion.com Essay · Starting Up Using experimentation to find a product's optimal price (and increase RPV by 16% in the process) Stephen Pavlovich
  10. This is the exact question you are asking, answered by someone who has sold a lot of enterprise software. Lemkin gives you a... SaaStr Article · Starting Up Dear SaaStr: Our Biggest Customers Are All Asking for Custom Features. When Do We Say Yes? Jason Lemkin
  11. This is the clearest single write-up on why an annual plan exists in the first place: it front-loads cash and it holds people... Paddle Article · About a 12 minute read · Starting Up Annual plans: Why every SaaS company needs to sell them Paddle
  12. This tackles the exact fear you named: a buyer who wants your product but cannot predict the bill, and sometimes builds it... Andreessen Horowitz (a16z) Article · About 8 minute read · Starting Up Customers Want Predictability in Usage-based Pricing. Here's How to Help Them Get It. Tugce Erten and Mark Regan
  13. This is the cleanest head-to-head on the exact question you are asking: it puts the two models side by side, gives real... HelloAdvisr Essay · ~10 min read · Starting Up Should I offer freemium or free trial, which drives better growth? HelloAdvisr
  14. Once you have decided free is worth trying, this is the practical follow-through: a step by step way to decide what stays free,... RevenueCat Article · ~15 min read · Starting Up 6 Steps To Design A Freemium Tier That Actually Converts Daphne Tideman
  15. This is the piece that made cohort-based LTV the default way serious investors think, and it is exactly the right medicine when... Social Capital / The Startup (Medium) Article · About 20 minute read · Starting Up Diligence at Social Capital, Part 3: Cohorts and (revenue) LTV Jonathan Hsu
  16. This is the essay that separates the two payback numbers that actually matter to you: the accounting payback (when the revenue... Point Nine (Point Nine Land) Essay · About a 15 minute read · Starting Up The Art and Science of Figuring out Your CAC Payback Time Christoph Janz
  17. This piece nails the exact trap in your question: you can have great unit economics, a customer worth 5 times what it cost to... RoadmapOne Article · About a 10 minute read · Starting Up CAC Payback Period: The Cash Flow Metric That Gates Your Growth Speed Mark Holt
  18. Where the a16z essay defines the metrics, this one reads like an audit checklist for the model you just built. It names eight... Capidel Article · Starting Up Unit Economics and CAC/LTV: The Metrics Every Startup Financial Model Needs Capidel
  19. This is a clean, plain-language walk through the numbers that decide whether your pricing actually works: contribution margin,... Mercury Article · ~12 min read · Starting Up What is unit economics, and does it matter for your startup? Dan Kang
  20. This is SaaSBOOMi's canonical case for why building from India is a structural edge, written by Manav Garg, who founded Eka... SaaSBOOMi Essay · Starting Up The India Advantage Manav Garg
  21. This piece answers the sequencing question head on: it places unit economics right at the handoff between reaching... Stage 2 Capital Article · About 8 minute read · Starting Up Understanding Unit Economics: The Bridge Between Product-Market Fit and Go-to-Market Fit Brent Holloway
  22. Most CAC math quietly assumes one funnel, and that breaks the moment you have to pay to acquire both sellers and buyers. This... Natalie Luu, Lightspeed Venture Partners (Medium) Article · Starting Up How to Measure CAC in a Two-Sided Marketplace Natalie Luu (Lightspeed Venture Partners)
  23. This is the cleanest plain, formula-first explainer of the magic number: it gives you the exact calculation... Wall Street Prep Article · ~10 min read · Starting Up SaaS Magic Number: Formula + Calculator Wall Street Prep
  24. This is the clearest walk-through of the exact trap you are in: your spreadsheet shows a healthy per-unit margin because unit... Toptal Article · About a 15 minute read · Starting Up Don't Scale an Unprofitable Business: Why Unit Economics (Still) Matter Toby Clarence-Smith

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