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Yeah, it took me about 2-3 months to get 3 mining computers running. They are now running smoothly with 99% uptime. First I was running full nodes on each computer and that software would randomly crash. Now I mine on Nanopool and don't have to worry about having the entire blockchain stored on my computer.

Also, one of my computers kept on BSODing.

I was buying used video cards, and half of them would be dead on arrival. My recommendation is to buy brand new video cards. It's not worth the hassle and time.

You sound like you know what your talking about