The hero will always find a parking space immediately in front of any place he is going to.
In any cheap teenage horror flick, the guy with the chainsaw will be behind the THIRD door that is opened.
All guns, semiautomatic or otherwise, have an unlimited supply of bullets.
Everyone's a pilot.
7.62 mm FMJ bullets bounce off of helicopters and cars, emitting showes of sparks. GAH! I HATE that! I wonder if the people who write this stuff have ever been in a helicopter. You could punch holes in it with a screwdriver.