$379,684$100/month at 10% for 40 years. $48,000 invested. $331,684 earned.
Year-by-Year: Every Dollar Counts
| Year | Invested | Balance | Returns |
|---|---|---|---|
| 5 | $6,000 | $7,800 | $1,800 |
| 10 | $12,000 | $20,600 | $8,600 |
| 20 | $24,000 | $76,500 | $52,500 |
| 30 | $36,000 | $227,900 | $191,900 |
| 40 | $48,000 | $379,684 | $331,684 |
The "I'll Wait" Tax
Waiting 10 years to start costs you:
Start at 25 (40 years)
$100/month → $379,684
Start at 35 (30 years)
$100/month → $227,900
−$151,784Lost forever by waiting a decade. The cost of "I'll start next year."
Where to Find $100/Month
Coffee ($5 × 20 days = $100), one streaming subscription ($15), lunch out instead of packed ($10 × 10 = $100), unused gym membership ($40), ride-share instead of transit ($50). Most people can find $100/month without feeling it. It's not about deprivation — it's about prioritization.
Key Takeaways
- $100/month for 40 years at 10% = $379,684
- 10-year delay costs $151K — you can't catch up
- Amount doesn't matter. Consistency matters.
- Most people can find $100/month in small lifestyle changes