I'm pretty sure that if they catch you tethering, you're screwed no matter where...

w1ntermute on July 21, 2011 | parent | context | favorite | on: Gmail now allows for multiple calls at once

I'm pretty sure that if they catch you tethering, you're screwed no matter where you got the phone from. Not to mention you have to get a Verizon- or Sprint-specific phone if you're on either of those carriers.