why has my bill doubled and I always got a paper bill until about 5 months ago but I never had auto pay

Hello, @user_ixse3 Could you please send our team a direct message with your full name and full address? To send a direct message: 

1. In the top right corner, you'll see a little chat icon near the bell icon. Click the direct message icon 
2. Click the "New message" (pencil and paper) icon
3. In the 'To' line, type "Xfinity Support" there. A drop-down list appears. Select "Xfinity Support" from that list (an "Xfinity Support" graphic replaces the "To:" line)
4. Type your message in the text area near the bottom of the window
5. Press Enter to send it. An official employee, such as myself or whoever is first available, will respond. Thanks!