Consultant/Contractor might be the closest.
But it does help to inform people the right way to proceed if 800k in 20hrs a week is their goal :)
* Accountants doing company liquidations
* Trial lawyers
* Performance artists
Others I cannot think of. Pay rates over $1,000/hr are surprisingly common. Many of the recipients work fewer hours as a result
It does take a very specific additional skill set to build up a network of clients and have the patience for that to turn into something where you're regularly booked, but if money is the number one thing you want to optimize for, it's something you should investigate.
https://www.bloomberg.com/opinion/articles/2019-11-04/jim-si...
> He started at age 40 with no experience:
> It took him a while—he launched his fund in 1978 and it didn’t really click until about 1990—but he absolutely achieved his dream of making money without doing anything.
And, he had lots of experience with math - he was insanely great at it. And then he took it and applied it.
Thales was an all around great philosopher though, known to be one of the "seven sages" of ancient Athens. Amongst other feats, he managed to measure the height of the Great Pyramid of Gizeh when nobody else at the time could.