Is Trump’s mortgage plan a bad idea?

The solution is to add more moderately-priced housing supply. The home-building industry has moved away from that, in favor of building bigger/more expensive homes – the median selling price of a newly-built home in the U.S. is now $416,000, about double what it was 15 years ago (source). Adding to the problem is that, in recent years, many existing smaller single-family homes have been bought up by companies and investors, flipping them into rental properties and taking them off the market for actual homeowners (source).

As a result:

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