There are a few mistakes that should be avoided when hosting for the holidays.DragonImages/Getty ImagesBusiness Insider asked etiquette experts about the mistakes to avoid when hosting for the holidays.It's important to make sure everyone feels welcomed — even unexpected guests.Hosts should also ensure there is enough seating for everyone at the party.Although hosting friends and family for the holidays can be fun, there's no denying that doing so also comes with its fair share of stress.