Herbert Dow founded Dow Chemical in Midland, Michigan when he invented a way to produce bromine cheaply. He sold the chemical for industrial purposes all over the US for 36 cents per pound at the turn of the 20th century. He couldn't go overseas, however, because the international market was controlled by a giant German chemical cartel that sold it at a f...(more)
Well, it's TV, so they don't worry about things like realistic finances. She wears a lot of $800 a pair shoes, too.
But, just because she is a waitress doesn't mean she doesn't make a decent income. I know a waitress at an upscale restaurant that makes considerably more than I do as an engineer. Let's do a little back of the envelope math: