Quite possibly. Just always keep in mind, faster does not necessarily mean instant.
Not this.
There are probably a couple of ways, and it all depends on you. But basically it would require mounting of the drive you’re copying to, copying the whole directory and then either creating a symbolic link to the new location, or creating a bind mount for it. So, yes, it is indeed possible. See:
This might help:
- [Tip] Root filesystem nearly full but got a spare partition sitting around? Split off some stuff!
- [root tip] [How To] Use systemd to mount ANY device
Hope this helps!