How did Chrysler dealer Denny Amrhein beat odds after the recession? Quickly turning used cars

Toledo, Ohio, dealer Denny Amrhein was tied to the hip with a failing, flailing Chryser 10 years ago. And he says the only reason his businesses survived was a clever, borrowed strategy to sell lots and lots of barely profitable used cars.

source http://www.autonews.com/article/20180903/RETAIL07/180909994/denny-amrhein-toledo-used-cars