mass upgrade tool

I’ve written an easy tool to mass-upgrade routers, since there is not one currently available that is not exceptionally expensive.
If i’d make this tool commercially available, what (extra) features should it have and what would you be prepared to pay for it? I was thinking of small fees, but what is small to you?

Current functionality:

  • cidr based selection i.e. 192.168.88.1/24
  • check only and execute modes
  • reporting: which routers are already updated / which ones should be done
  • parameters include: channel, version, use of TLS, update FW, live update, update from uni path
  • versions for: windows, linux, osx