 We all know what wedding crashers are and to be on the lookout for them, trying to spot the people who might sneak into your big day to take advantage of the past appetizers and open bar. What you expect to see, what you don't expect to see, rather, is a card from the crashers with money inside. A man named Ben shared a story to Reddit about his sister's wedding in Virginia in which two uninvited guests were spotted and escorted out.