That is correct, yes.
You could setup a steam cache/LAN cache server so you only have to download games and updates once though.
That is correct, yes.
You could setup a steam cache/LAN cache server so you only have to download games and updates once though.
You’d want iSCSI, but everyone gets their own volume to avoid issues like that.
Wired headphones?
You could go over a wired network.