The time it takes to farm a propper farm all comes doown to how many resources your CPU can handle. 
If you have the I 7 GX4800 or HD 6789 GPU's then you could most probably make more than it's worth
than buying. It all comes down to miners specs, if you can afford the ROI, you can afford the wealth.

How to Return ON Investment.

The Hardest part of green filter line of your CPU bend structure processor, normally sounds insane put next to 
a radio. Modems can be used to gain stats on your performance but the rest is down to you.

More info on the Gold Chain.

http://bitbin.it/Ly3tQNhn