Gift cards are one quick way to get through your last-minute holiday shopping list. But before you give (and get) gift cards, here are a few things you need to know. Inspect gift cards before you buy. A gift card should have all its protective stickers in place. Report the card to the store if anything looks scratched off or damaged. When you buy, save the receipt. Keeping the gift card receipt can be helpful if you run into problems with the...