Get the 16GB Apple iPhone 5s (with 2-year contract with AT&T, Verizon or Sprint) at BestBuy.com for as low as $1 when you trade in a working Smart Phone, in-store. (Note: the cash-back value is contingent upon the condition of your phone). The phones is currently $99.99 at Best Buy and this currently the best deal we're seeing on this phone. Alternatively, you could also by the phone online for $99.99 with 2-year contract and get a $20 Best Buy gift card with no trade-in. The 5s is Apple's highest end iPhone and features the new iOS, as well as a built-in finger print reader. Sales tax is charged in most states.