With Bitcoin and other digital coins such as Ethereum and Litecoin skyrocketing in value over the past year, it is now profitable to start mining again. Building a mining rig is really like growing your own money tree. The rig will run and crank away and create wealth (in digital currency) while you sit back and reap the rewards. It takes a little tech saviness but anyone can learn how to build their own rigs..
13 rigs x 13 GPU = 1eth...
AWeSOME MONEY MAKER! :D