With Xfinity, professional installation typically costs $100, but you don't have to "qualify" for the self-installation option like you do with AT&T. However, the self-installation option will ...

Xfinity is a division of Comcast Corporations, a parent company. How long does it take to install Xfinity? Installation generally takes two to four hours and is performed by an Xfinity technician.

Xfinity does let you bypass this additional cost by selecting self-install, meaning it'll ship you a Getting Started kit, and you can activate the service on your own using the Xfinity app.