Spending & Expenses
Track Your Spending Without Hating It
You don't need to track every latte for the rest of your life. You need a clear picture, captured often enough to trust.
Why bother
Your spending is the foundation of your entire plan — it sets your savings rate, your retirement number, and your withdrawal needs. Guess it, and every downstream number is wrong.
The minimum that works
- Capture everything for 2–3 months. Import bank and card transactions or jot them in a register. Long enough to catch irregular bills.
- Group into a few buckets. Housing, food, transport, fun, health, other. Five or six is plenty.
- Find your monthly and annual totals. Multiply by 12, then add the once-a-year stuff you missed.
Perfect categorization is a trap. “Roughly right and actually done” beats “perfectly tagged and abandoned in week two.” Aim for a number you trust within ~5%.
Don't forget the lumpy stuff
- Insurance premiums, property and income taxes
- Travel, gifts, and holidays
- Car repairs, home maintenance, medical surprises
These irregular costs are exactly what people underestimate — and they can add 15–25% to a budget that only counted the monthly bills.
Then put it to work
Once you know your real annual spend, it feeds straight into your savings rate and your retirement target. The tracking is the means; the number is the point.
Key takeaways
- Track everything for 2–3 months, then maintain lightly.
- A handful of categories beats obsessive tagging.
- Always add irregular, once-a-year costs.
- Your real annual spend drives every other plan number.