Mr. Cardiff has been the editor of Sound Advice since its inception in 1988. The Sound Advice model portfolio has produced double the investment return of the S&P 500 since 1999. From 2000 through 2021, the Sound Advice model portfolio has produced an average investment return of 8.76 percent annually, as compared to 4.27 percent annually from the S&P 500 over the same period, for return that compounds to double than the S&P 500.