Three months ago I met a guy. I like him, he likes me too. But the way he earns money bothers me.

I don't know how stable and promising it is. First of all, he's a master of the sport of chess and gets prize money for tournaments, but the amount depends on the place he takes.

Secondly, he finds authors of various online courses on programming, Photoshop and the like, and sells their courses for a percentage.

He also invests in cryptocurrencies and plays on the stock market.

He is 22 years old, studying economics by correspondence.

I wonder how stable, promising and safe this is. Is it worth spending any more time on him?