Well, clearly you haven't read important, luminary pieces like this one in Current Affairs:
I don't think people like this AQ Smith character realize how much they alienate normal people with this kind of rhetoric.
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Hard to know without some contingencies, but if they also have a partner making the same amount, the math on living in a decent home gets a lot easier.
Even without a partner, a 30 year mortgage on a $100K house is $473. Granting that taxes, insurance and repairs tack on additional money, this still won't shake to a crazy amount.
Here's a duplex in Buffalo, NY (referencing the city because I used to live there and know it's cheap) for that price where you'd be able to live in the upper, rent out the lower and basically break even.
It really depends where you live and what your tastes are.