Notes & examples
Small assumptions. Meaningful differences.
Focused numerical examples that help explain why two apparently similar projections can give different answers.
Payment timing
What One Extra Month Does to Regular Deposits
Track twelve equal deposits to separate the effect of payment timing from the amount saved.
Read the example →Cost of growth
Why Fee Drag Is More Than the Fees You Pay
Compare a two-year investment with and without an annual balance fee while holding every other assumption constant.
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