This thread reeks of the "I've never competed but I could if I wanted to." statements people make.
NOTHING about competing is easy. And it's not hard in the normal ways that you can overcome things that are "hard to do.".
I wasn't exactly fat but started 29 weeks from a show I intend to win. I'm glad I did. I've gotten pretty lean and over five months away. It's really easy to underestimate how hard it will be to get in shape.
One thing to remember in regards to the quality of local shows is that you aren't competing against the other guys. You are competing against yourself. Everything you do prior, determines how you look on stage. Sure, you will be judged against other competitors, but you have zero control of that.
If you "just want to show up and see how things go" or whatever, then you will be wasting not only your time, but pointlessly restricting your life style, family time, add expenses, etc. Not worth it in any way, imo.
If you want to compete, then go for it! But do so with the fervor of training and preparing for the Olympia. If you do it half assed, it will show like a neon sign when you step onstage in front of hundreds of people, all there to look for things that are WRONG with you, not what's good.