If you are doing well, not getting access denied errors, or running 3 tasks per site without any problem, then you don't need to use proxies.
It's better to use 1 proxy for each account, but you can still use 2 accounts per proxy.
Please check: How to insert proxies inside the Bot?
No need to use monitor proxies for Adidas unless we instruct you to.
You don't need to add more than 20% for monitoring; also, don't use less than 20% of your total proxies.
For Supreme, you should use 25 proxies in monitoring regardless of how many tasks you're running.