No creative writer knows what is commercial and what isn't. You just write from your heart, you write from the deepest, creative urges in you, and you write from your soul, and you just either get lucky or not.
OF COURSE MONEY TAKES WORRY OUT OF YOUR LIFE AND ENABLES YOU TO PROVIDE FOR YOUR FAMILY - BUT IF IT WAS PLAYING PROFESSIONAL FOOTBALL FOR FREE OR CHOOSE ANOTHER LIVING, THEN I WOULD CHOOSE FOOTBALL EVERY TIME.