I am new to the microstock world and am doing everything I can to learn the business.  Forums, books, photo study, etc.  You could say that I'm a bit of a planner, which has hindered my start, but I expect it to help me in the long run.

Anyway, as I learn more about the industry, I'm starting to draw a conclusion that I wanted to run by you.  To be successful (I define successful as being able to make a living, say $3000/month for the purposes of this thread) a microstock photographer will most likely have to shoot models.  Granted, there's always 3D, vectors, etc, but sticking with photography (because I lack some of those other talents), it seems like there's only so much you can shoot before you run out of material that is of benefit to the industry.  However, people are always changing and therefore they will always sell.

Am I on to something here, or is this conclusion a stretch?  I know that there are always extraordinary circumstances, so let's assume that I'm just your average photographer in an average situation.

Thanks for the feedback!