He's such a whiner. For $80 or whatever you can buy an ethernet box with multiple relays and DHCP.
I've got stuff in production with this. As in running live TV automation systems.
http://elinux.org/RPi_Expansion_Boards (search for relay)
I've done it on an RC car, works great.
And what's with your attitude?
You just posted a list of parts. No shit?