Everything from

sacks.substack.com

1 resource from sacks.substack.com we point founders to, and the questions each answers.

📄 Article

Free Advanced

Why we picked it David Sacks (PayPal, Yammer, Craft Ventures) distills the metrics that actually predict a SaaS company's health, including the burn multiple he popularized. Sharp, operator-grade, and opinionated.

The SaaS Metrics That Matter

From sacks.substack.com by David Sacks essay

Net revenue retention and the burn multiple reveal true capital efficiency
Focus on a small set of metrics reviewed on a strict weekly cadence
Growth and profitability must be balanced (the Rule of 40)

Open sacks.substack.com →

Answers What metrics should I actually track as an early-stage SaaS founder? How do I build a simple financial model or revenue projection? What is churn and how much churn is too much?