The important things are always simple. The simple things are always hard. The easy way is always covered with RT's. If you are short of everything except opponents, the game has begun. When you have secured an area, don't forget to tell the other team.
Incoming paintballs have the right of way.
No tournament ready team ever thought they carried enough paint. Things that must be together to work are usually left at home. Radio's will fail as soon as you need a field judge desperately. Anything you do can get you eliminated, including doing nothing. Trracers work both ways.