Maxing out a Roth IRA for 40 years with average returns is predicted to result in approximately $3 million, with $280,000 being personal contributions and an additional $2 million gained from compound interest.
"if you max out your Roth for the next 40 years you'll have around $3 million with average returns but that's not the crazy part you would have only put in $280,000 of your own money the extra $2 million is free money due to compound interest"