Even after you think you bought a car, dealerships can 'yo-yo' you and take it back

Darren and Courtney Johnson sit on the back of a truck outside their home in Center Hill, Fla. Three weeks after they bought a used SUV and took it home, they were told by a dealership manager that they needed to return and sign a new contract with different terms. Things went downhill from there. (Octavio Jones for NPR)

If you've ever bought a car, you know the feeling when you've signed all the paperwork, driven off the lot, and think, "Wow, this is my car now."

"I was excited," says Courtney Johnson. "I felt like I'd made a good decision as a mother."