Is Comcast's Xfinity Mobile a good deal? [telecom]

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by Christian Hetrick

Here's something that may surprise you:

Switching to Comcast can save you money.

The cable and broadband giant, often criticized for its rising bills and fees, has one of the best deals for cellphone service on the market - if you don't use a lot of data.

There are some caveats. You have to be an existing Comcast internet customer to subscribe. And heavy use on multiple lines erases Comcast's advantage.