I have escalated your issue to the Comcast Team available to these forums. Check back often for a reply in this thread from a Comcast Official Employee.
Hello Charbo22, thank you for taking some time out of your day to create a post. I apologize for the bad experience that you've had with or app, I can look into this for you to make sure your app payment option works properly also I can see what I can do about making this whole ordeal right for you. We don't want to cause anymore stress and anxiety for you during your recovery, so let's get this taken care of. Please send me a private message with your full name and street address by clicking on my name (ComcastAmir) and then click "Send a message".