How to sell machine time?

Good afternoon. Going to collect two powerful computer and put Win10.
As usual, most of the time the machine will be idle, hence the question:
Is there a way to selling time?
July 9th 19 at 13:26
3 answers
July 9th 19 at 13:28
Bitcoin or something like mine.
July 9th 19 at 13:30
Try googling "cpu time sell" / "sell cpu idle"
For example - www.gomezpeerzone.com/peer-program-overview
Review - hubpages.com/money/Earn-money-by-selling-your-CPU-...
But I'm not sure that you can at least recoup costs, so if bitcoin does not pay for electricity.
July 9th 19 at 13:32
Mining to date (in the presence of rapid growth "farms" hardware miners) - a useless waste of time and own funds (you more electric power will burn before nominate something... :) )

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