Practical guides to startup equity, dilution, SAFE notes, and runway. Written for founders who want to understand the math.
A step-by-step walkthrough of how founder ownership changes from pre-seed through Series B. We model three cofounders starting at 33% each and show exactly what happens at each round. Includes interactive calculator.
Read the guide →The Y Combinator SAFE is the most common early-stage investment instrument — but most founders don't understand how it converts. We break down the three SAFE variants and show you exactly what your SAFE is worth at conversion.
Read the guide →Runway is the most critical number for any startup. We explain how to calculate it correctly — including revenue growth, variable burn, and the mistake most founders make when counting their runway.
Read the guide →Your cap table is the financial DNA of your company. We walk through building a cap table from scratch — adding founders, investors, option pools, and SAFEs — and explain what each row means.
Coming soon →Investors want to see healthy unit economics before writing a check. We explain Customer Acquisition Cost, Lifetime Value, and the ratios that signal a healthy (or broken) business model.
Coming soon →