If you add up the doctor’s fees and cost of medication and supplements, you’ll be looking at several hundred dollars a month.  I see it as an investment that has the potential to pay off in several ways. If my lifestyle and interventions extend my life expectancy by a decade, I’ll get to spend that extra time with the ones I love, including my grandchildren (assuming my kids decide to become parents someday).  From a purely financial perspective, a longer life leads to a lot of compounded returns from the money I’ve invested in stocks and real estate.