it's still profitable to buy Z9 or A9 ?
i have almost free electricity (0.02-0.03$ per kwh)
is it possible to achieve Payback under 4 month?
any advice?
Returns have halved every ~2-3 weeks. equihash is quickly heading towards "don't mine it", in my opinion.
Z9s still haven't shipped also.
-j
With one mini not drawing much power. No more than a PC. I'm just letting it run.