Guides & Financial Masterclasses
Practical, math-backed guides designed to help you navigate loans, taxes, retirement, and investing. No fluff, no paywalls.
How to choose the right mortgage term: 15 vs 30 years
A 15-year loan saves six figures in interest, but the monthly jump is steep. See the exact trade-off with real numbers and extra-payment hybrids.
Read full articleCompound interest: the simple math that builds wealth
Why starting 10 years earlier beats saving twice as much later. Interactive examples and Rule of 72 doubling breakdowns.
Read full articleTake-home pay explained: how US and UK taxes actually compare
Federal, state, National Insurance and student loans — we break down what shrinks your paycheck on both sides of the Atlantic.
Open interactive calculatorRetirement planning: how much is enough & the 4% safe withdrawal rule
The 4% rule, replacement ratios and inflation-adjusted buying power — a plain-English roadmap to financial independence.
Open interactive calculatorThe 50/30/20 budget rule — balanced needs, wants, and investments
Needs, wants, savings — see how the classic split holds up on real salaries with adjustments for high-cost cities.
Open interactive calculatorProperty tax & stamp duty: UK SDLT vs US property escrow taxes
Millage rates, stamp duty thresholds, and first-time buyer relief — what actually impacts your wallet when acquiring property.
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