Never refuse an assignment except when there is a conflict of interest a potential of danger to you or your family or you hold a strongly biased attitude about the subject under focus.
Most of the time it's the role. Sometimes it's the story and sometimes it just the paycheck. It's the little movies that come out as stories or the fact that I have work to go out you know what I'm saying you can only be out so long without work you start getting antsy.