Don't you think that your mining farm will not pay off? Cryptocurrency rates, and especially Bitcoin, after the summer crisis, jump strongly.
Of couse, the price has fallen by more than 80% compared with 2017. But Bitcoin mining still can be considered a safer asset class to maintain and enhance. Besides, now the main role will not be played by individual miners, but the primacy will go to large companies that are able to provide the mining center with an adequate supply of electricity, without violating environmental standards.