Several years ago I knew a hair dresser who made 90K working only a few hours a day while I worked three times longer as a software engineer making only 75K. A

Several years ago I knew a hair dresser who made 90K working only a few hours a day while I worked three times longer as a software engineer making only 75K. A third of her income was from tips (and I've heard that a lot of people don't pay taxes on those).