As I bet BTC will be > 20k in the long term mining during a bearish period will give you more profit in USD and BTC in the longterm.
We mine BTC, not USD, so you should calculate in BTC.
Once the lightning network works it should finally be possible to sent BTC at a affordable fee, by that time BTC price will skyrocket anyway.
ye for sure, but the hashpower is paid in dollars...reinvesting in mining for Bitcoin is useless right now, ROI is 10 months