"20-25x your annual living expenses will allow you to live off the interest indefinitely" That isn't a rule of thumb for an infinite lifespan. It's probably n

"20-25x your annual living expenses will allow you to live off the interest indefinitely" That isn't a rule of thumb for an infinite lifespan. It's probably not even a rule of thumb for surviving retirement from 1928 through 1938. 7% compound interest is a wacky assumption considering over the last 122 years global equity has returned real returns of 5.3%.