Can I have a piece?

So I'm wondering how do people like this Heather Armstrong dooce person end up making hand-over-fist $$ & publishing 2 books by just blogging everyday? Seems to me there's something there... and yeah, I wanna piece of it! (aka, in toddler-ease, "I want NOW!")

You can call this a half-ass post, but you gotta start somewhere, right?