The "I don't know" case is the most painful to ask for since it feels like I am always second guessed.

If I have the permission, I can tell its value in a few minutes but instead I have spend hours doing due diligence to try to justify my answer and still am not confident asking.

I usually end up getting what I need in the end so the admins don't see it as a big issue, but it is a subtle thing that can kills productivity for anything related to AWS for everyone else.