The true cost of waiting: Every year without investing costs you thousands
August 11, 2025
3 min read
The True Cost of Waiting: Every Year Without Investing Costs You Thousands
Waiting feels free. But compound interest punishes waiting exponentially. 5 years costs CHF 283,000. 10 years: nearly half a million. Not because you lose money, but because you miss the most powerful mechanism in finance.
CHF 283,000
Cost of 5 years waiting (CHF 500/month, 6%, age 25 vs. 30)
CHF 494,000
Cost of 10 years waiting (age 25 vs. 35)
76%
Of your end wealth at 40 years comes from compound interest — not your contributions
Contents
01Why compound interest works exponentially
CHF 100 at 6% annual interest. After year 1: CHF 106. Year 2: CHF 112. Boring. But after 30 years: CHF 574. The crucial point: the strongest effect comes at the end. Years 1–10: +CHF 79. Years 20–30: +CHF 253. The last decade delivers more than the first two combined.
02What one year of waiting really costs — verified numbers
CHF 500/month, 6% p.a., monthly compounding. All numbers verified in Python.
| Starting age | Years to 65 | End capital at 65 | Cost of 1 year waiting |
|---|---|---|---|
| 25 | 40 | CHF 996,000 | CHF 64,000 |
| 30 | 35 | CHF 712,000 | CHF 47,000 |
| 35 | 30 | CHF 502,000 | CHF 33,000 |
| 40 | 25 | CHF 346,000 | CHF 23,000 |
| 45 | 20 | CHF 231,000 | CHF 16,000 |
Monthly compounding, 6% p.a. Cost of 1 year = end capital difference at 1 year later start. Verified in Python.
03What 5 and 10 years of waiting cost
Age 25 vs. 30
Start 25: CHF 996,000. Start 30: CHF 712,000.
5 years = CHF 283,000 less. The 25-year-old contributed only CHF 30,000 more. The compound interest on those early years: CHF 253,000.
Start 25 vs. 35: CHF 494,000 difference. Nearly half a million — on just CHF 60,000 more contributions.
04Lena and Marco: Two friends, one decision
Both 28, both CHF 90,000 salary, both CHF 500/month to spare. Lena starts immediately. Marco waits until he has CHF 50,000 saved — 8 years.
Result at 65
Lena (start 28): CHF 762,000
Marco (start 36): CHF 419,000 + CHF 50,000 savings = CHF 469,000
Difference: CHF 293,000
05The silent thief: Inflation
| CHF 100,000 in savings account | Purchasing power (1.5% inflation) |
|---|---|
| After 10 years | CHF 86,000 |
| After 20 years | CHF 74,000 |
| After 30 years | CHF 64,000 |
Not investing isn't the safe option — it's the guaranteed way to lose money in real terms.
06What if the market just crashed?
Even starting at the absolute worst day of the last 50 years — the peak before the 2008 crash — you'd have been positive after 5 years, massively positive after 10. Short-term pain is temporary. The cost of waiting is permanent.
The smart solution: savings plan
Invest a fixed monthly amount. You buy sometimes high, sometimes low — and on average well. After 5+ years, the entry point barely matters.
07Frequently asked questions
What does one year of waiting cost?
CHF 16,000 to CHF 64,000 in end capital at CHF 500/month and 6%. The younger you are, the more expensive each lost year.
What does 5 years of waiting cost?
CHF 283,000 (age 25 vs. 30). On just CHF 30,000 more contributions.
Why does compound interest work exponentially?
Returns on returns on returns. The last decade delivers more than the first two combined.
Should I wait for a crash?
No. Regular investing (savings plan) beats timing in most cases.
What if I can only invest CHF 100/month?
CHF 100/month over 40 years at 6% = CHF 199,000. Small amounts are powerful when started early.
Does inflation erode my savings account?
Yes. 36% purchasing power loss in 30 years at 1.5% inflation.
Further reading
Every day counts. Today more than tomorrow.
Three variables determine wealth: how much you invest, what return you get, and how long your money works. Variable 3 is the most powerful — and the only one you can't change tomorrow.
"The cost of waiting never appears on any statement. But it's the highest cost of your life."
Written by Thierry Borgeat, reviewed by Patrick Rissi, CFA and Florian Jauch, CFA. All numbers verified in Python. FV = PMT × [((1+r/12)^(n×12) − 1)/(r/12)], 6% p.a. Inflation: 1.5% p.a. Last updated April 2026.
Disclaimer: Historical returns are not a guarantee. arvy is a FINMA-supervised asset manager with a CISA licence. Imprint & Legal Information.
