I'm on Sprint with my father and I'm going to switch to Verizon with my mom and get an iPhone 4S. Should I be canceling my Sprint today? I'm at school 100 miles away from home and I plan on staying up and pre ordering from the Verizon website because I know my mom won't do it and she'd probably take too long getting to Verizon tomorrow to pre order.. What info do I need from my mom to do this online tonight?