Originally Posted by strike2tamu
Threatening to cancel not a good idea. You will likely never get another deal from them and they will be less likely to help you in the future if problems arise.
I doubt that. Maybe the OP's contract for 2 phones is $200/month and maybe he's been with them for 8 years, paying as much as $19k to them. I'd spot him a few phone deals if I were them, wouldn't you? Good business.