There are plenty of pros and cons to this especially when comparing this to botting.
Keep in mind that to mine this means:
You are depreciating your hardware much faster.
Profit overtime will steadily decrease as currency becomes harder unlock
The cost in electricity will cut into profits
unless you have a workstation for these rigs you sacrifice personal comfort. This will make the room both noisy and hot.
On the flip side
Once you have the rig setup and running theres nothing left for you to do. Just watch your wallet get fatter overtime.
Little to no maitnance.
When botting remember
Bans are impossible to avoid
Best payouts usually have high requirements
Best payouts will require research
Muling is a must
Scams are possible
Lots of reoccuring expenses (Memberships, Servers, Proxies, Accounts/powerleveling if you chose to buy, scripts if you chose to buy)
Common methods are high ban rates
Positives
You can use VPS, so it doesn't require multiple rigs. Can even have your PC off.
The common methods, although are high in bans, are pretty consistent in terms of money making
ROI is pretty easy to meet.
Has no impact in your home enviorment.