Also, try to go where there aren't many people flying so you don't crash into one of their planes.
Air traffic can get pretty scary at some sites.
It's a good idea to bring some lead weights to your first flight to adjust the balance. Also check the controls to make sure they're going in the right directions and travelling freely. Finally, be sure your batteries are charged. If there are other flyers there, ask them if there's a particularly good spot to toss it. A harder toss is usually better.