You are only limited by your imagination, reactions, talent, dedication and BALLS. Start getting low, oddly you will have less crashes when you are close to your self and low to the deck. Also, iffffffff you do have a crash close and low, you will KNOW what you did wrong, often when you are high or some distance away, you might think you know what you did wrong, but actually you DONT. http://www.youtube.com/watch?v=GTtxStJJyFI