Explore Xfinity's top deals on cheap internet, TV bundles and mobile promotions and learn how to access military, student and senior deals.

But, for the most part, Xfinity's cable internet is more reliable. CenturyLink may be cheaper, but Xfinity has more plan options and faster speeds, making it better in terms of long-term value.

You need a provider and a router or modem to access the internet. One common provider in the US is Xfinity from Comcast, ...