Cancelling your cellphone contract use to come with a hefty fee of anywhere from $175 up to $200+. The carriers justified this fee by highlighting how customers buying subsidized phones and then canceling their contracts was killing their checkbooks. Then a revelation happened last year — pro-rated cancellation fees starting at the same $175-$200 but decreasing by $5 each month were introduced meaning the longer you stayed in your contract, the lower the cancellation...