Financial guides
built around real numbers
Each guide starts with a practical situation, shows the assumptions, and links directly to the calculator so you can replace the example with your own numbers.
01
Financial independence, translated into a numberHow Much Do You Need to Retire Early? A Practical FIRE Number
Estimate a FIRE target from annual spending, then test how long your current savings plan may take to reach it.
8 min read →02
Why the second decade can matter more10 Years vs 20 Years of Compound Growth: What Changes?
Compare monthly investing over 10 and 20 years and see when growth begins to contribute more than new cash.
7 min read →03
Small rate, large lifetime differenceWhat Does a 1 Percentage Point Higher Mortgage Rate Really Cost?
Compare monthly payment and total interest on a 30-year loan at 3%, 4% and 5%.
7 min read →