: Official policy states that gift cards cannot be combined into a single card at customer service.
: Gift cards cannot be used to pay off a Best Buy Credit Card balance or to purchase other Best Buy or third-party gift cards.
: Individual Best Buy gift cards have a maximum load value of $500 .
: For online orders, you typically cannot combine more than one credit/debit card, and you cannot combine a credit card with a prepaid card. However, GiftCardGranny notes you may be able to use up to two Visa gift cards in a single online transaction if they are the only payment method.