How to make cards work: reward basics

America runs on credit. Those plastic cards we carry around can get us into big trouble — or score us free vacations.

This episode was produced by Peter Balonon-Rosen, edited by Avishay Artsy and Jenny Lawton, fact-checked by Melissa Hirsch, engineered by Patrick Boyd, and hosted by Jonquilyn Hill.

AP Photo/Keith Srakocic, File.

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