Don't mix up presents -- write out the tags as soon as you wrap the gifts so there's not an embarrassing mix up
Don't let the Christmas lights become a safety hazard... watch out for loose bulbs or protruding wire.
Don't go overboard... when it comes to Christmas decorations, less is more.
Don't expect things to be perfect ... no matter how far you plan ahead, something will go wrong.
Don't keep your Christmas lights on all night... they say this one could be bad for your relationship with your neighbors
Don't use disposable silverware for holiday dinners
Don't limit yourself to red and green ... hues like gold, pink, and navy blue can work, too
Don't think that poinsettias are poisonous... yes, they'll upset your stomach if you ingest them in high quantities, but it won't kill you. Still keep them out of the range of children or pets (just to be safe)
Don't ignore the powder room ... With company dropping by, make sure your guest bathroom is clean. Toilet paper, clean towels, soap...you get the drill.
Don't have your Christmas tree up at Valentines Day.