73 concepts · 152 connections · Free
Business concepts with calculators, case studies, and benchmarks.
Built for startup founders and operators who need to make decisions, not pass exams. Every concept includes the numbers, the traps, and the action.
What's included
Interactive Calculators
Plug in your numbers. See burn rate, LTV:CAC ratio, runway, and churn impact instantly.
Verified Case Studies
Slack, Netflix, Homejoy — real companies with real revenue figures and outcomes.
Industry Benchmarks
Where you rank against standards from Bessemer, a16z, and SaaStr. Tiered from Elite to Critical.
Decision Scenarios
Founder-level decisions with realistic tradeoffs. Choose a path, see the consequences.
Learning Paths
All paths →SaaS Fundamentals
Master the 8 core numbers that determine whether your SaaS business will survive or die. Every founder and PM must know these cold.
Startup Survival Kit
The essential concepts that determine if you run out of cash. Master cash flow, burn rate, break-even, and the unit economics of survival.
The Growth Engine
Understand how pricing, retention, market sizing, competitive advantages, and GTM strategy combine to create a compounding growth machine.
Methodology
Every concept is sourced from earnings reports, founder interviews, and published benchmarks from Bessemer, a16z, and SaaStr. Case studies use real company names with verified numbers.
Each concept includes calculators, decision scenarios with realistic tradeoffs, and benchmarks calibrated against current industry data. No filler. No theory without numbers.