Sorry, but this post absolutely belongs here, exactly the way it was expressed.
I would strongly urge the OP to move the hell off Bell ASAP, and on to a reliable independent ISP that will at least try to restrain themselves from sending obscene bills like this to their customers.
And beoneradio, if you have other services with Bell, I would urge you to move those too. Vote with your wallet.
Cogeco - The New UBB Devil -»[Burloak] Usage Based Billing Nightmare
Cogeco UBB, No Modem Required - »[Niagara] 40gb of "usage" while the modem is unplugged