Veritasium did an episode on IQ a couple of month back where they cover the IQ-income correlation.[1] One of the people he talked with said something that I find interesting: "a lot of people who have very high intelligence scores don't have the same interest in accumulating money."
[1] I Took an IQ Test to Find Out What it Actually Measures (https://youtu.be/FkKPsLxgpuY?t=911)