text: how  much would you have to save each month at 9% interest at an income tax rate of 24% to save a million $? good luck that depends.  how soon do you want it?  why not a tax-deferred account?  why settle for 9% when the stock market averages 10-12%?  in the meantime, here's a fun fact for you:  if you save $1 per day for 100 years, you'll have almost $500 million, assuming it's tax-deferred.