I plan to buy an annuity at 80 years old, if I make it that far. My actuarial life at that point can't be very long, so it shouldn't be too expensive. It's a g

I plan to buy an annuity at 80 years old, if I make it that far. My actuarial life at that point can't be very long, so it shouldn't be too expensive. It's a good way to manage tail risk in case I do live to 100+, and will allow me to spend the rest of my capital more freely knowing my base expenses are covered for life between the anuity and social security.