SPENDING
What does a purchase cost in future freedom?
Turn a price into future working days, then compare the purchase with your own plan.
About eleven future workdays.
Illustration: world stock index investing at 4.75% annual real return after investment costs, before personal tax; $20 take-home pay per hour; eight-hour days.
You finish a draining day and buy something for $700. A reward. A way to switch off. At $20 an hour after tax and job costs, that relief already represents 35 hours of work. What could the same money buy your future self?
Today’s purchase, tomorrow’s time
At an assumed 4.75% annual return after inflation and investment costs, before personal tax, the $700 could become $1,771 in 20 years. Replacing that with earnings would take about eleven eight-hour days at the same real hourly pay. Those days come later in life, when you may have less energy for work and more things you would rather do.
That includes the original price. It is a work-time equivalent, not an exact eleven-day delay to retirement. The example holds pay and purchasing power constant; investment returns will rise and fall.
One treat, or a habit?
Twenty $700 purchases cost $14,000. Invest those amounts at each year-end at the same 4.75% real return and they grow to about $22,544, or 141 days at $160 a day. The small recurring decision can matter more than the single spectacular purchase.
How much does it change your own plan?
A $5,000 trip means something different when you save $100 a month than when you save $1,500. It also matters how much is already invested. Compare the trip with your whole financial path, not just your salary.
TRY IT IN WOSAVEST
Put a $5,000 trip beside your current plan
- Open My future → Saved scenarios, and choose New scenario. Name it $5,000 trip.
- Leave income and living spending blank to keep your saved figures. Open One-off costs or money added and enter 5000 under One-off cost at the start. Keep the amount added to investments at 0.
- Press Save scenario. Compare net worth after 20 years, then try 10 years. Read the difference from the current plan at the same horizon.
- For a recurring cost, create a separate scenario and increase Monthly living spending by its monthly amount instead. Do not also add that same expense as a one-off cost.
What to look for: The difference can exceed the price because the money spent stops growing. A one-off purchase reduces capital once; a continuing expense also raises the amount your future life needs. Your own assets and assumptions determine the size of the effect.
The example account uses fictional data; its changes are temporary and are not saved to an account. Use it for these practice figures; use your own numbers in your saved account. Links open a new tab so you can keep these steps beside you.
Does the reward keep you in the cycle?
Work leaves you exhausted. Buying something helps for an evening. Then less money remains toward working less. If the pleasure fades by next week, was that a good exchange?
Some purchases absolutely are: a holiday you remember for years, equipment you use daily, time with people you love. Before the next tired-evening purchase, ask whether you want the thing or whether you need rest, company or a change. Spend on the relief that lasts.
See the price in your own working hours
In Income plan, complete Calculate my hourly pay Then open My future → Compare a one-off expense and enter the price. Wosavest shows the effect on your projected net worth and, when your hourly-pay figures are available, the job time it represents. Follow the worked hourly-pay example if you have not set this up.
The useful outcome is a conscious choice: is this experience worth the future choices you give up? If it is, enjoy it. Saving exists to improve your life, not to postpone living forever.