Roughly numbers - $5 per day on 1 GPU. But you will have to upgrade your farm with more RAM and powerful CPU.
well, i dont think you will get many home miners then high end pcs running the whole day would cost many in europe an arm and a leg due to teh permanent power consumption ...
maybe you will get ppl from countries where electricity is cheap.
Yeah if mining is profitable depends mostly on the electricity cost. Nevertheless, it would be interesting for everyone to get to know how much you could earn with your current PC. And what are the required minimum specs that make an ordinary home PC feasible for mining.