I set up a Sprint account, or at least qualified for one, because I might get the Tab 3 deal. But, I don't even think I have a account number yet, or if I do, I don't remember. Should I just do live chat/call up Sprint and just get walked through setting it up/buying the tablet, etc? Because if you buy it online, there's no activation fee apparently. Also, can they just charge the tablet 50 dollar cost to my first bill?