It is kind of hilarious how often rent-seeking behavior is called out as evil when it comes to software companies, but actual rent-seeking with real estate is seen as virtuous investment.
Not impossible in impoverished areas. A rural trailer park, some section 8 housing in a bad part of town, or maybe they scooped up some single-family units at the bottom of the housing market crash.
Or about $1 million stashed in index funds, give or take based on cost of living in your location.