I don’t need the tips; I mostly do it for the practice.
Anything that requires concentration, requires a steady hand, nimble fingers… anything that requires magic, requires practice. Hours upon hours, the same movements again and again, until they are second nature. And if I must practice, I might as well do it for the tourists, for the local children, I might as well stand in the warm breeze of a sunny day out in the Plaza, I might as well make a few coin while I’m at it.
That, and the joy of knowing they think it’s a ‘trick’.