First time in a championship, advice?

I forgot one thing. Or five Find the common mistakes you make in the tricks you have selected, and make sure you know how to get out of them or just change yoyos. And make sure you time your routine with a stopwatch, so you know how fast to do each trick; also try to use the music to give timing cues, such as making sure you bind and rethrow during a dubstep drop or whatever.