I bought two items on Amazon.om through third party vendors. I choose to use my american express points for payment. I had enough points to pay for my purchases, my transaction was accepted and order confirmed. Behind the scene, Amazon changed my payment method from amex points to am ex itself, I did not approve the change amazon made. Upon reviewing my am ex bill, i noticed the changes, called Amazon, they said i used third party vendor and am ex points not allowed with third party vendor. My complaint was forwarded and I was to be contacted... read full review »