Some of the rules are different from america for sure. A lot of people i know cosplayers that go to fast food restaurants and stores around conventions (though some bring food from home since it gets expensive). I do wish i learned a few rules about conventions when i first went to one because i go screamed at by an old guy when i only touched a sword briefly...i mean i didn't know he could of said that without screaming at me like if i was trying to steal it ;; ( i was 15 and you need to be 18 to be able to even touch a sword)