Here are some helpful hints to keep Halloween a treat for your pets instead of it becoming a rotten trick. Try on costumes ahead of the big day. If you plan to take your dog (or maybe even your cat) trick or treating with the kids, allow him/her to get accustomed to the costume you've picked out. Check that it fits properly and allows the pet to be secured with a collar/harness and leash. Make sure that any hoods do not fall down and block your pet's vision. Also look for any