: If you have a separate coupon or promo code, look for the "Add gift cards, store credit, or discount code" option under payment information and enter the valid code there.

: My Best Buy credit card members can choose to "bank" their points rather than having certificates auto-issue, allowing them to save for larger future purchases. How to Redeem Certificates and Coupons

: Log in to the Best Buy website or use the mobile app.

Best Buy rewards and coupons primarily function through the program, where points are converted into reward certificates that act as a discount at checkout. The Reward Point System