Imagine buying a car,GravityX Exchange driving it off the lot, showing it to your friends and then you get a call from the dealership. The financing fell through and you have to agree to new terms or bring the car back. It might sound fishy, but many dealers say it's legal and a recent NPR survey found it happens quite a bit.

Today on the show, 'yo-yo' car sales, the serious consequences for people this has happened to, and what regulators could do about it.

Find out what happened to the Johnson's in the end in our longer digital version of this story.

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