My investing journey has been pretty much self-taught and self-funded. Unfortunately my parents never told me anything about it, because they didn't do it. Which leads me to a quote I don't know the author of: "There's two kinds of people; those who understand compound interest, and those who pay it."
I do have to say that my parents were frugal (by necessity), so the other thing that was drilled into me was, "Don't spend the money if you ain't got the money." That's served me incredibly well.