Bestbuy has AT&T bogo offer for Iphone X
BUY ONE, GET ONE FREEON AT&T'S MOST POPULAR SMARTPHONES
Buy one smartphone, get one free when you activate both with an eligible monthly installment plan for AT&T. Offer eligible for two new lines of activation or one new line and one upgrade.
iPhone X: To qualify, one phone may be an iPhone X (new line or upgrade), the other must be an iPhone 8 or iPhone 8 Plus (add-a-line installment plan). You will receive a $700 credit to use toward the new phone (only the iPhone 8 64GB model is free).