I really like this stepwise delineation of Avocation to Vocation, of fun-to-utility-to-profit. As others pointed out, there is "scratch your own itch" which usu

I really like this stepwise delineation of Avocation to Vocation, of fun-to-utility-to-profit. As others pointed out, there is "scratch your own itch" which usually falls between A and B. I also think that F would better fall somewhere right along B.