A reasonable concept is that late in life you will either move to a smaller house or move to a cheaper area or rent thereafter (or get a reverse mortgage or oth

A reasonable concept is that late in life you will either move to a smaller house or move to a cheaper area or rent thereafter (or get a reverse mortgage or other financial instrument that allows you to lose some equity and still live in "your" house). It's not as dire as you make out. That said, it's not as awesome as a lot of people seem to think.