Turn the lesson into action. Run these against your own numbers — that is where it becomes real.

$227,000What a 1% difference in fees costs on $100,000 invested for 30 years at 8%. Same market, same fund, one variable.
The fee looks like1%Quoted on the gross figure
On $250,000 that is$2,500Every year, up or down
As a share of take-home1.39%You live on $180,000, not $250,000
Low-cost fund, 0.05%Keeps almost all growth
Advised fund, 1.00%Loses $227,000 of it

Fees compound against you exactly the way returns compound for you. It is the one variable you fully control.

  • Are you capturing your full employer 401(k) match? If not, what is the gap?
  • What expense ratio are your funds charging? Go find the actual number.
  • Write your one-line plan: low-cost index funds, automated, left alone.
Put it into practiceRun your own numbers with the Basis Points Investment Growth Calculator, then come back and finish your plan above.

Download the worksheet (PDF)