At 6:00 p.m. I had resolved to upgrade my CLM membership.  I attempted to pay for the upgrade but I immediately ran into a problem.  The only card I had available to make the payment was the ATM card associated with my primary checking account.  Unfortunately, the card was a Mastercard and, for reasons involving international banking, PayPal would not accept it.  After three hours of fruitless attempts to use my bank card to pay for my upgrade, I sent an e-mail to CLM's customer support to ask them why I couldn't pay for my upgrade with a Mastercard. Read more…