Without providing the actual cost of the Rate plans involved in this information. It is very misleading. IF you go to each of the vendors websites their basic Unlimited Talk Test and Web plans end up being substantially more expensive over that same 2 year time frame. Kiss your cheap phone pricing goodbye. Getting a portion of an equation and expecting to make an educated purchase is all bad. Please provide basic equivalent plan pricing. There is a reason that some phones are more expensive. Oh maybe because you are going to spend $700+ over the 24 months of your contract.
As to it being a bad idea, let us look at Sprints offering 32gb 0$ sounds like a deal right... Well their basic offering is $80 for Unlimited Talk Text and Web. *Note the disclaimer on the web (On the Sprint network) So is that unlimited or not?? Anyhow 80*24 = $1920 T-Mobile Simple choice $50 (1GB with a speed reduction at 1gb but no overage) Unlimeted talk text and web 24*50= $1200 wow look at that you just had a 720$ difference, oh and thank you for the 120$ Netflix.
I am just saying, look at the plans, what they actually cost before you decide on the pricing. Just listing the cost of the device is misleading. Look into Verizon and the other carriers. Take the cost of the phone, the cost of the required data (Some carriers require larger plans) and base your decision from there. Not a single carrier has free High end Smartphones. There is smoke and mirrors just to get you to think they are. The best way i can think if is go through the motions and don't click okay at the end. Take your monthly MRC (Monthly Recurring Charges), financing for the device if there is any and do the math. You will save your self a lot of money in the long run.