Signed up for PTC next week! Any tips?

I've done quite a few trial runs on my own so I'm fairly confident I'll be able to hit the 80% and nail the course of fire (which, as an aside, feels a bit overly permissive maybe?), and I take firearm safety as seriously as anyone. I'm curious if anyone has any finer-detail hints they can share about the experience and stuff to keep an eye out for.

Edit: I passed it was v easy