[plunker]

There should not be a charge to use your treo as a modem unless it is something with verizon. I would check with them to see if they have that feature enabled on their system. You might tell them when traveling you would like to use the treo as a modem for a laptop to check mail. They might hedge if they know you want to use it that way all the time.

You know Sprint is unlimited and I don't believe they care how much you use it. Of all the carriers it seems that verizon scr-ws with people and Rodgers has problems with their system.