first of all i am doing this for fun and of course i hope to make a little coin or two
and i have free electricity

i have been looking at (Bitfury Twin Chip USB ASIC bitcoin miner 4~5 GH/s) it cost 45$
and also (49 Port Powered USB 2.0 Hub) 200$
and a Raspberry Pi whit card and cables 70,99$

there is room for 28 usb miner in the usb hub so that is around 140GH/s
is that okay to start whit

and the whole setup will only cost me around 1530$