your account isn't eligible for credit as this time

No i have not received any since months.

Thanks for confirming. If you could send our team a direct message with your full name and full address, we can look into why you are not showing as eligible for credits. 
 

To send a "Direct Message" ("Private") message:

• Click "Sign In" if necessary

• Click the "Direct Message chat" icon

• Click the "Start new conversation"

• Type "Xfinity Support" in the "To:" line and select "Xfinity Support" from the drop-down list which appears. The "Xfinity Support" graphic replaces the "To:" line

• Type your message in the text area near the bottom of the window

• Press Enter to send it

sent full name and address.