I would not take on a Danda. I'm in a very happy relationship, for one, and second: I don't want to depend on some rich person up to the point where I'm heavily indebted to them. Because that's another side of the coin.
The escort business is a lot better organized, though the demands in the NL can be quite tough. I've met people in the escort business, and they spend most of their time learning. Reading the newest literature, making literature reports, viewing movies, making reports, learning all modern and ancient philosophy, religion, economics, world politics, becoming a master at chess, poker, go...
These people did it to make money for their university education, and as a result, they are the most educated people I know.
But still there are questionable things, for me. The personal dependency is what makes me squeemish.
Taking on a Danda, however... Far too dependent. And I think that's dangerous.