How does multi-account management impact Facebook?

To keep a low profile, each account must appear to come from a unique user: different browser fingerprints, cookies and IP addresses. Tools such as MultiloginPro help by creating isolated browser environments for each account, making them seem to come from different devices.

The account didn't get flag? You use proxy if you use multi account on facebook or tools?

If you want to manage multiple accounts, I suggest you get a cloner app and manage it via devices. There are many cloner apps that will allow you to manage a lot of accounts per device, while hiding certain finger prints that will prevent the accounts from getting linked.

Facebook's detection is very strict, and I use many methods such as residential agents or logging in from different devices to get banned. The Multiloginpro you mentioned is also a treasure tool that I only discovered last month! Free and secure, it can also pass the fingerprint tests of iphey and PixelScan, making my account anti detection.