Multiple Cards: You cannot use more than one credit or debit card on a single BestBuy.com order. Payment Combinations: Online orders cannot combine a credit/debit card with a prepaid card, PayPal, or Apple Pay. Zip: Zip is available online and through the Best Buy app, with Pay-in-4 and Pay-in-8 plans subject to approval and applicable fees. Authorization: Best Buy places an authorization hold when an order is placed; the card is generally charged when the order ships or is ready for store pickup.