Getting charged for routers you do not use

I am not sure I mentioned this, but when Best Buy installed our WiFi system (AMPLIFI), I called Frontier to return their router and get its fee taken off future bills.

Nope.

They took the router back at their service center. They did not reduce my bill.

Here is an article on this topic:

https://www.google.com/amp/s/arstechnica.com/tech-policy/2020/01/us-finally-prohibits-isps-from-charging-for-routers-they-dont-provide/%3famp=1