Now that the holiday season is upon us, it’s important to know the social etiquette and proper manners that go along with holiday gift giving. There are several dos and don'ts to keep in mind. For example, are you wondering which service person to tip and how much? Should you feel badly if someone gives you a gift and you don’t have a gift for him or her? Knowing gift giving etiquette can be very helpful to avoid any hurt feelings or Grinch-like reactions. Here are my favorite gift-giving etiquette tips.