Have you done some math about the bitaxe profitability? I did not because I went checking and they cost more than a faily older but way faster asic on the refurbished market. The idea is rommantically beautiful but it also needs to be economically sustainable at least in the medium-to-long term, and I just don't see it with Bitaxe's
Discussion
Power consumption is key
The harsh reality is a single bitaxe will stand as much chance as a single S21 at mining a block every 10 minutes.
Going for an S21 does require a little more investment and running costs.
Bitaxe costs as much as running an LED bulb 24/7 , S21 is significantly more.
Comes to profitability it’s horses for courses you play the lottery or rely on how good your pool is at distributions
With Bitaxe you’re kinda restricted to a few pools, Ocean and couple of others but the distributions are just few sats a month, nothing really to write home about
Probably should add that solo mining profitability went the way of the Dodo back in 2014 or so . Solo mining today, is just purely about the thrill of hitting the lottery.
It’s possible and it has been done on several occasions but it is highly unlikely