Why don't people understand, you don't get rich without risking capital.
Yes, your time is capital. But not when you've already traded it for salary.
Brokers risk their time to try to sell speculative deals. This is why they make a chunk of the deal. No guarantee.
Lawyers get paid by the hour for their time. This is why they can earn a nice living but won't get wildly rich unless they take speculative cases on contingency.