I subscribe to a blog called Freelance Switch which offers advice for people who work for themselves. If this is something that interests you, I recommend it. A recent article by Mark Dugas on the subject of saying ‘no’ struck a chord with me: I’m terrible at turning stuff down. This last year has been a learning curve for me and, while being discerning about jobs is something that will always be difficult, I found this article (and the comments people left about it) very applicable.