Galaxy S9 and S9+ preorders launch, and the best deal isn't at Best Buy

If you are an AT&T subscriber, you might have noticed already that your carrier doesn't offer Galaxy S9 incentives outright, though its prices on Samsung's newest flagships are a hair lower than what you would shell out on Verizon, for instance, and still way higher than T-Mobile's $360 Galaxy S7 trade-in offer for a $720 Galaxy S9. What do?

Well, you can always go to Best Buy, and get your S9 or S9+ there, as the retailer gives $100 if you preorder today, plus Samsung's blanket "up to $350" rebate for an eligible trade-in. The good part is that ...