How to make a career out of my seemingly pointless skill?

I would like to make money using my skills with swords, I’ve practiced for hours everyday for a long time now and I’ve gotten to the point I’m as good as all of the “Professional swordsman” I see on YouTube, but no idea how to make money with my skill, I really only need 300 or so per month to survive (I’m a veteran so my benefits are covered) , but no idea how to make that much using the skills I learned.

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