Cost of Waiting to Invest Calculator
The most expensive thing an investor does is nothing. Because the first dollars compound the longest, even a short delay can lop a surprising amount off the final balance — for the exact same monthly contribution. See the number for yourself.
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Result
Waiting 5 years costs $129,208 — not because you save less, but because the earliest dollars compound the longest. The best day to start was years ago; the second best is today.
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Frequently asked
Why does waiting to invest cost so much?
Compound growth rewards time more than amount. Your earliest contributions have the most years to grow, so removing those years — even while contributing the same monthly amount — removes the most valuable growth.
Is it too late to start investing?
This tool shows the cost of delay precisely so you can see that starting now still beats waiting longer. The gap only widens the more you put it off.
What return should I assume?
A diversified long-term portfolio has historically returned somewhere in the mid-single digits after inflation, but the future is uncertain. Try a few return assumptions to see how sensitive the result is.
Illustrative estimates for education only — not investment, tax, or insurance advice. Figures assume constant returns and simplified rules; your situation will differ. Speak with a licensed professional before acting.