This is a fallacy. The chances that an index fund goes to 5 or 10% of today's value is way lower than the probability your home going to zero. There are plenty

This is a fallacy. The chances that an index fund goes to 5 or 10% of today's value is way lower than the probability your home going to zero. There are plenty of catastrophic events all over the country that happen periodically (fire, tornadoes, flooding,... you also seem to forget that in order to Have your home you still need to pay for HOA, maintenance and... property taxes.