No seriously, my wife and I sometimes do these and we get our supplies from a dollar store. She's the expert. I'll get her to post a reply and some ideas later.
The Following User Says Thank You to RedMileDJ For This Useful Post:
Your parents. For my 80s party two years ago I raided the old man's old wardrobe. Don't for get the costume shop (There's a good one in Inglewood) for those staches and wigs.