What can i do with my old c7000v2

> Is there some use for a c7000v2 after its been replaced? how about as
> an AP [...]

   Configuration as a wireless access point should be possible.  See,
for example:

      https://community.netgear.com/t5/x/x/m-p/1463500

   That's written for a Netgear C6300-as-WAP, but the steps are about the
same for any other router (any make/model) which lacks a one-step WAP
option.  (Especially similar for another Netgear Cxxxx.)