Transferring a wix website, domain and email to a new wix account

I need to transfer a wix premium website, the attached domain (of which Wix is the registrar) and email (including all email addresses and emails), to a new wix account. I cant find any information on if this is as simple as it sounds on the Help Center notes. This is a commercially viable company that cannot have any down time if it can be helped. Does anyone have any knowledge or advice for me on this before I pull the trigger? Like is the process automated, do I need to do domain individually of the site transfer? Do the emails and management come across automatically as well? Is there a human at Wix actually making and tracking the transfer other than me?

Im using Wix Editor.

Any help would be greatly appreciated!

I don’t think there will be much support regarding this issue.
I have seen now a lot of such request and questions, but never have seen a real clear answer.

But maybe someone of WIX will respond here, to give you support.