Just keep in mind Professional cosplay is very competitive, and it's a community that takes its craft very seriously.
"Professional" Cosplayers are few and far between. Meaning, those who make a living from their cosplay. But they're out there. It's absolutely possible. Just look at cosplayers like, Myrtle Sarrosa, Marie-Claude Bourbonnais, Meagan Marie, Alodia Gosiengfiao, Linda Le, D-Piddy, Lisa Lou Who, Spiral Cats, or Yaya Han. Just keep in mind Professional cosplay is very competitive, and it's a community that takes its craft very seriously.