Save $1,500 a month for 40 years

Putting away $1,500 every month for 40 years (480 deposits) at an assumed 7% annual return, compounded monthly, grows to about $3,937,220. Of that, $720,000 is money you paid in and $3,217,220 is compound growth.

Assumes a constant 7% annual return compounded monthly and level contributions. Real returns vary; this is an illustration, not financial advice.