All things bwing equal, if you're wealthy, your income is guaranteed by the state and the law - it will take the collapse of civilization to wipe you out. Where

All things bwing equal, if you're wealthy, your income is guaranteed by the state and the law - it will take the collapse of civilization to wipe you out. Whereas if you have a salary, your income is a matter of your luck holding - not being in a major accident, or your employer/industry/ economy imploding for 18+ months