To Compete In INTERNATIONAL Tournaments

I'm 15 years old and I live in Jamaica and always had a dream to become a full time streamer. I would like to play professionally for Gaming Team I don't want a long term gaming team as of yet until later on, and would love to compete in tons of Fortnite tournaments. I would love editor because I'm not really understand about the "making my stream look nice ". If could also with that it will be Nice.