It's not too unusual to see great gift card promotions during Black Friday and other holidays -- buy a game console or a stereo or a phone, and get a retailer gift card for free. As long as you shop at that store more than once a decade, it's always a great deal because it's like free money; just use the card on something you were going to buy anyway. Those kinds of deals are rare in the weeks following Groundhog Day, but here's a good one if you're phone shopping: For just one more day, you can get a $300 gift card when you buy one of a handful of phones from Sam's Club.