I think you idea is not bad but there is something you have no know, it it that difficulty is going to increase and that means you are going to get less with the same mining power, and eventually that minnig power will be worthless. So if you have the money I would advise you to do the mining yourself and if then it is no longer profitable you can always sell it to gamers and get most of the investment back. Even if you dont know much with some reasearching you can set p your own mining rig even with overpriced video cards is good business. I hope my