Found a cool tool from Sminston With’s "Smitty's Bitcoin Retirement Guide". This tool helps you plan your Bitcoin stash for retirement with a conservative 5th quantile model…95% confidence your spending won’t need adjusting due to volatility more than once in 20 years. It covers $50k to $1M annual spending, adjusts for inflation (7% assumed), and plans to age 100. New: easy lookup tables, high-DPI format for printing, and scenarios for all ages up to 2075. Taxes not included. This is based on selling once a year.