I ran over a dozen ASIC "Bitcoin" miners a couple years ago. I stopped when the "difficulty" level went up and the price of Bitcoin when down.
Depending on which ASIC machine you have, and what price BTC is at, it's still possible but make a decent profit.
The BitMain S19 Pro is currently earning $29 a day. After paying $10 a day for energy the profit is $19 per day, per machine. 17,000 THB a month for monitoring the devices and restarting them or resetting cables if a board stop hashing.
If BTC goes up 33%, like to where it was a few weeks ago, profit goes up because the energy cost rem