My parents bought the old Brooklyn home that I grew up in back in the ‘90s. It cost them about $150k, plus however much it cost to renovate after its previous owner, an elderly hoarder, had evacuated the premises. When they sold the three-story home to retire to Vermont a few years ago, the value had risen to 1.3 million dollars. That’s a staggering 766% increase. And while I'm happy they made bank on their nest egg, the sale was also a sobering reminder that owning a home in this climate - let…