A:Answerdepends what payment method you used. if you used a credit card/debit card bring it up with your bank. if you paid with apple pay, samsung pay, etc, check if best buy offers refunds or bring it up with the payment method's customer service.
A:Answerdepends - some retailers have different policies from others. if your talking about trying to purchase an xbox gift card with a best buy gift card, it's not going work. best thing to do next time is to check what the policy is on the gift card before purchasing it.