On day three of my first CON I realized a few more things. Like don't use a bathroom stall after a Brony (it's a guy who likes my little pony). There are things you never want to see in your life.
Also, don't spend too much time talking to one person. Things will get weird fast.
Also, a con rave is like trying to get most of these people to talk without a costume on. Awkward at best.
Also, there is some fantastic art for sale. really good stuff if you like kitten in wizard garb or topless women on dragons.
Also, steampunk can be dome really well, or it can be someone in renaissance festival wear with a different hat and welding goggles.
Also, Rainbow Brite is hot in real life. Even if she might really be a dude.