My internet bill increased 3.5 times my past month

You've reached the right place for help, user_rlszba. Please send us a Direct Message.
On a Desktop:

Make sure you’re logged into the forums.
Click the Direct Message icon in the top-right corner of the page.
Click the New Conversation icon to start a message.

Note: If the New Conversation icon is disabled, go to Profile Settings, uncheck “Opt Out from Direct Messaging,” and click Save.

In the “To:” field, type “Xfinity Support” and select the Xfinity Support handle with the blue checkmark to send your message.

On a Mobile Device:

Make sure you’re logged into the forums.
Tap the New Conversation icon.
In the “To:” field, type “Xfinity Support” and tap the Xfinity Support handle with the blue checkmark to send your message.