Pretty much any restriction can be worked around, and there’s no real limit to how many accounts you can run. And you’re right, it does make things easier. Clients find you a lot quicker when your profile is focused on one specific area rather than having a portfolio all over the place with projects from totally different fields. Read up on how to create multiple Upwork accounts and manage them securely with an anti-detect browser here: https://gologin.com/blog/multiple-upwork-accounts/ . It lets you switch between accounts without worrying about getting flagged every time.