Add Yahoo as a preferred source to see more of our stories on Google. The author has been doing Elf on the Shelf pranks for her son for years.Courtesy of Ashley Archambault I've been doing the Elf on ...

I've been doing the Elf on the Shelf pranks for my son for years, and he's always known it's me. I don't even use the trademark Elf — I have a little gnome that works just as well. I enjoy it more ...