After years of not missing a credit card payment deadline, I missed one on my new American Express Corporate card. I was signed up for electronic vs. paper notification. I attempted repeatedly to pay online, 01/12, 01/14, 01/18. 01/19, 01/20. The American Express site was down, and I could not review my bill. The amount due in the notification email was different than the amount due on the telephonic "pay your bill", so I wanted to understand the difference before making payment. When I finally got a hold of a person on the 20th and... read full review »