That's essentially only true in SF, NYC, Seattle, and maybe DC — and that can largely be attributed to local land use restrictions more than anything else.

Here's a list of the salary required to afford the median home -> https://www.hsh.com/finance/mortgage/salary-home-buying-25-c...

This thread breaks down the ratio of home-price-to-median-income per MSA -> https://twitter.com/jmhorp/status/1221828310000271361

There's an entire zone of "Fine, American Cities", all affordable to both Boomers and Millennials. There are dozens of metro areas you can move to, buy a home (if you like), and start saving your income.