What You'll Need:
-2 pieces of posterboard
-Twine
-A vagina

How to sell it:
-Be a qualified woman in need of a job
-Probably don't get the job

What you need:
-Bed sheet
-Scissors

How to sell it:
-Say, "Boo," once, without any enthusiasm
-Make it clear that you know your costume is clichéd and shitty

What you need:
-Khakis and a button up shirt
-Four guy friends who also have khakis and button up shirts
-For all of you to be white

How to sell it:
-Mock the 99% of costumes that aren't awesome like you

What you need:
-Nothing

How to sell it:
-Avoid all newspapers and intelligent conversations, seem incredulous that it's actually Halloween

What you need:
-Regular, schlubby clothes, and the patience to explain your costume all night
-Glasses

How to sell it:
-Get belligerently drunk and shout, "You wouldn't like me when I'm angry," over and over
-Ignore the fact that everyone doesn't like you already because you chose a lame costume