OSRS Flax Spin Account Banned / Will my other acc be monitored more closely?

Short answer, yes.

 

No.
But you're spinning flax, so it'll still get banned.

 

I would assume if an account got banned for botting and potentially gold farming for another account, then the account would be on notice for it as it would be seen fishy as a massive trade deal went by. That's how i see it not sure if its true