I think this happens more often in places like San Francisco where the gains from investing in property is mostly appreciation and it's hard to get rid of a ten

I think this happens more often in places like San Francisco where the gains from investing in property is mostly appreciation and it's hard to get rid of a tenant. In this case it makes little sense to deal with the hassle of having a tenant who might live there for a very long time to potentially increase your returns by 2-3% per year.