Don't under estimate the electrical bill when you have more than a few machines each housing a few GPUs doing the mining. They will all be running at 100% load. Beside the electricity consumption from the machine, your aircon bill will go up too, as it will need to work much harder.
You can use the Profit Calculator to estimate CoinWarz - Crypto Currency Mining Profitability how long you need to recover your hardware. If you have free electricity, just enter 0 for power cost.
Litecoin is slightly more profitable than mining Bitcoin directly for GPU mining.
You can use the Profit Calculator to estimate CoinWarz - Crypto Currency Mining Profitability how long you need to recover your hardware. If you have free electricity, just enter 0 for power cost.
Litecoin is slightly more profitable than mining Bitcoin directly for GPU mining.