Technical skills, to the tune of 21% income increase year after year when averaged over the last 10 years (so about 6x from when I started). Ironically, it slo

Technical skills, to the tune of 21% income increase year after year when averaged over the last 10 years (so about 6x from when I started). Ironically, it slowed mostly because I tried to be a full time stock traded at some point, then realized that if I wanted active income, a job was the way to go.