A lot of what Lamont is covering is "student help thyself". Even if the instructor is local-ish, he may not be 'local' to your shop. Consider if you only have one or two GUE instructors for your state. There is no way he/she is going to know every shop and every area perfectly. GUE is starting to pick up a bit of momentum and therefore we ARE seeing people from non-GUE affiliated shops showing interest in organizing a class. These people are not always going to just wander in to their local GUE affiliated shop and ask for help setting up the class, maybe they don't know it, maybe its 150miles away, maybe local politics, who knows...
Also you may have GUE grads in your area who had the class set up by someone else, their shop or the instructor, they can tell you what it was like to be in it, but not necessarily all the logistical 'behind the scenes' stuff that makes it flow when you are in the middle of it. To a degree you need to think of this a bit as an expedition. you wouldn't plan a reasonable sized mountain climb without thinking of many of the climbing equivalents (gear, food, hydration, expense, lodging, etc..)
one of the things i've seen consistently in my GUE classes, is that food and hydration are forgotten... Lamont touched on this. Both for the students AND the instructor. Ya'll are gonna need some fuel for your brain. Also if you depend on Pizza delivery or whatnot it can wreak havoc on your GI system if you don't normally eat that kind of thing.
If possible find someone you can lure in as beach support. To get the hot coco water and maybe some soup heated up and ready to roll for when you get out and swap tanks (maybe not so important in warm water locations), chug some gatorade, have some brownies or cookies or something... Its amazing what a bit of sugar/simple carbs and HYDRATION can do for your frame of mind and ability to concentrate and keep warm when in the middle of a long day.
Beach support can also be a LIFE saver when you forget something up at the truck and the idea of walking back in full kit sounds excruciatingly painful. Start the dive out 'right', if you need 2 extra pounds, let them go grab the 2 extra pounds... don't just blow stuff off or not 'mention' it cause you don't wanna go back to the car and get it.
support network. Let your family/friends/dog know that this is kind of an important thing to you. that you might get frustrated. that you might need their support. that you are basically gonna vanish for 5 days straight and come back every night exhausted and a bit vapor locked.
and remember, this is hopefully a 'team' effort, it takes a village to grow a GUE diver (even if its a tiny village at first). if you can tap in to your community for support, extra gear, help, input, etc... it can make all the difference in the world.
Rainier's input about time for self AND finding time to discuss with team-mates is also very good...
Another thing that can be helpful is finding a bit of time to talk to your mentor DURING class, possibly they are helping with the class, videoing it, or maybe by phone... Hopefully they know your instructor (have possibly taken class from them) and if there are misunderstandings brewing or whatnot, maybe they can help defuse the situation before it turns into a difficult teaching/learning environment... at very least they can commiserate a bit and maybe make you feel a bit better
one of my long distance GUE buddies actually called me up while I was stressed out around day 3 or so of Fundies, and just listened and yapped and listened and yapped... and strangely, but the end of the conversation, even though we hadn't really 'fixed' anything, i felt better just getting a lot of 'thoughts' off my chest, and it gave me someone completely outside the ongoing situation to offgas to (he had taken classes with my instructor) who was somewhat impartial. anyhow... it helped