Another old method of funding retirement was the duplex.
People would buy a house with a rental unit, normally on the second floor.
The rent on this unit provided a retirement income.
Unfortunately, in the 1950’s and 1960’s these duplexes lost great value. Think Detroit and Newark.
New duplex construction has generally been made illegal as it is too great a danger to the real property tax base.
RE: Another old method of funding retirement was the duplex.
People would buy a house with a rental unit, normally on the second floor.
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Plenty of such properties in the boroughs of New York City ... if you can afford them ( I mean buy them ).