Probably not unless you really need something that’s not back in Chaotic-AUR yet. If you do, it should probably be after running garuda-update so any fixes can be applied, and you get a fresh mirrorlist. If you don’t see something from garuda-update it’s almost definitely got some reason behind it.
We are trying to get a lot of missing packages built still. Feel free to post new issues here for anything that doesn’t exist at the moment. Do check for existing ones that we’re currently tracking 
Exactly.