Here's a giant load of BS-

[MikeF]

If you have a coaxial input to your "was-free" router, it will be far more expensive to find a suitable coaxial-to-ethernet bridge and ethernet router than just succumbing to their intimidationrecommendation on the new router.

Or figure you've got about 1 to 1-1/2 years to figure something else out before the monthly cost exceeds the "recommended" item purchase price...