We have been American Express cardholders for years in order to access our car insurance through Costco. A couple of years ago American Express began a campaign to encourage cardholders to pay bills electronically. We preferred to avoid this payment option and noticed that despite being paid well in advence of the due date, we were told that the payements were arriving late. Customer service agents at AMEX told us it would be better to pay online and avoid this problem which they attributed to the post office. We chose not to do this but... read full review »