I naively assume that if you buy an extra house as investment, you rent it out. So the house is actually being used, no need build extra houses or have a longer

I naively assume that if you buy an extra house as investment, you rent it out. So the house is actually being used, no need build extra houses or have a longer commute. Blindly investing and then assuming that it still has value when you retire has a lot of risks. This sometimes happens with owners of small shops who hope to retire with money they get from selling the shop.