https://www.walmart.com/cp/best-of-...ickid=xmD1Tj1IuxyJW4L08lQuCVrSUkn0i0RlUQ0WSs0 Car Seat Trade-In Event starting today, Sept 16 through Sept. 30 at participating stores. Trade in your used Car Seat at the Customer Service Counter and receive a $30 Walmart Gift Card.