#1
My guitar teacher told me to not try to adjust the truss rod on the guitar im getting today. I dont know if i should or not i tried adjusting it on my yamaha and everything was fine but i dont know.
#2
listen to your teacher. if you think it needs adjusting, take it to them, or get the people at the store you are getting it from to do it/
#4
pissing around with guitars is fun, until you break one, if you want to do something, go get a piece of just really cheap, and do all you want to it, and learn from mistakes on it. If you mess with a new guitar, and screw that up, you are going to be pretty pissed. I'm just guessing