So...I've never really entered any photography competitions before, but I would like to this year as I feel that I finally have some photos that might have a chance at winning. Unfortunately, many of the competitions have the same deadline (September 30th seems to be popular) and I'm now debating which one I should try. I'm assuming it's not kosher to submit the same image to multiple competitions running at the same time, but correct me if I'm wrong here.

In any event, it just made me wonder why others choose to compete in these types of competitions, and what the deciding factor is in choosing which ones to enter. Is it the probability of winning anything? The prizes? The status of the competition/organization sponsoring it?

I know in the end the final decision will be up to me but I'd appreciate hearing how others go about it -- it may offer some insights in helping me decide which one to choose.