NEVER SIGN UP FOR PREAUTHORIZED PAYMENTS TO YOUR VISA ACCOUNT! I cancelled my PRIMUS Home Phone and returned my modem by Canada Post. (Primus sent me the Canada Post postage) Canada Post did not deliver the modem and Primus has charged me $112.00 for the modem. Since this is charged to my Visa, I called Visa to reverse it and VISA REFUSED. I have to provide proof of delivery before VISA will reverse the charge. Canada Post is looking for the modem. If I was not on preauthorized payment I would not be forced to pay for Canada Post'... read full review »