Start taking vitamin C today. Avoid shaking everyone's hand. Download the app and use the map to program the stuff you wanna see. It will be a very overwhelming experience on your first trip. Between all the airsoft cloners, TTI and his hareem, the dudes creeping around to get pictures with their favorite youtube/instagram action star, and the actual buyers it is a weird mix. Go to after parties, hangout at the circle bar and make friends, try and see everything you can. Most importantly, tell all your friends that don't get to go how awesome it was.