Moving my gateway

My coax cable connection into my new house is apparently in the corner of the basement far from the main living area of the house. I put the router there and speeds to the rest of the house are anemic at best. I purchased a set of the xFi Pods which help but I really want to move the gateway to a more sentral location. 

What's the best way to get Xfinity to move where the coax enters the house so I can set up my gateway where I want it?

Thanks