There was a black dude called viking lifestyles or something and he made a vid where he actually showed all of his earnings from his coaching and from memory he was making like 15-20k per month? This was about 4 years ago. I feel like maybe the industry has slightly died off in recent years though, probably mostly due to the client base no longer really believe that 'game' can help at all if you're not her type and she's not attracted to you (whereas PUA coaches kind of need you to believe this lol.)
James Tusk quit his (presumably) high paid banking job or something in London to become a dating coach and I gather he makes a lot more doing that than he did in his real job
Kesia Noble (female dating coach for men) made a tonne of money. She charged guys like 10k for a 2 day bootcamp and was never short of clients!
Of course Tyler from RSD is surely a millionnaire, and I guess the other main coaches are also pretty damn well off
But I assume there's lots of just scrape by and as I say, I kind of think it's only gonna get harder for them. It's just harder and harder to sell the lies they tell due to social media and youtube and all that stuff.