Money, pricing & model

Unit economics & modeling

Know what a customer costs and earns.

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How do I calculate CAC (customer acquisition cost) and LTV? CAC = total sales and marketing spend divided by new customers acquired in that period, count everything, not just ad spend. LTV = the profit (not ... Intermediate 3 resources → What is a good LTV to CAC ratio? The rule of thumb is LTV:CAC of at least 3:1, earn back roughly three times what it costs to acquire a customer. Below 1:1 you lose money on every ... Intermediate 3 resources → What metrics should I actually track as an early-stage SaaS founder? Early on, obsess over MRR growth, churn, gross margin, and CAC payback, ignore vanity metrics like downloads and pageviews. Net revenue retention t... Intermediate 3 resources → How do I build a simple financial model or revenue projection? Build bottom-up from real drivers, leads, conversion rate, price, churn, not top-down from 'we'll grab 1% of a huge market.' A useful early model f... Intermediate 3 resources → What is churn and how much churn is too much? Churn is the rate customers leave, and it silently caps your growth because you're refilling a leaky bucket. For SMB SaaS, ~3-5% monthly is common ... Intermediate 2 resources → My CAC looks great but I paid for it with a founder-led discount. How do I know my unit economics without the promo? Discounts and founder hustle hide your real acquisition cost, so run two versions: the promo number and the number when a stranger buys at list pri... Intermediate 2 resources → My unit economics work on a spreadsheet but I'm bleeding cash every month. Why the disconnect and what do I fix first? Positive unit economics per customer can still coexist with a cash crunch because fixed costs (salaries, tools, rent) and the timing gap between sp... Intermediate 3 resources →
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