Well, he'd be a fool to tell you the niche. But if I had an expensive product that I earned thousands of dollars on, and for every 10 clicks I had one buyer, I could certainly see myself paying that kind of money (or more) for one click. I'd think any type of expensive product would do, whether piano's or Van Gogh paintings (not just images of them) or investment accounts.
My highest click this month was for over $22.00 Those keywords are out there You just need the software to find them