> At 20 years old, you don't need to invest Investing money every year from 20-30 and then stopping will leave you (assuming fixed interest rates of ~7%) the s

> At 20 years old, you don't need to invest Investing money every year from 20-30 and then stopping will leave you (assuming fixed interest rates of ~7%) the same amount of retirement money as starting at 30 and doing it every year.