My gf parents are rich and have multiple properties. I make $300k pa + I could buy a house but I wont bc anyone who understands finance knows if you can make 15% pa in the stock market (i.e buy & hold the Nasdaq 100), buying a house is ABSOLUTELY retarded.

We've been talking about settling down to have kids (dw no marriage), and I want to propose we just move into one of her parents properties. Just wondering if I am giving up a lot of power in the relationship not being in control of the living situation? ?

Obvs there's the risk since its her house she could put me out of the house, but even if I was in control of the living situation if we broke up we would be in separate homes anyway.