May and June mean graduation open houses. Are you hosting an open house? Here are some tips for planning an easy, inexpensive, festive buffet. This party planning guide includes recipes, serving and cleanup tips, crowd control and guest organization. If you are Type A OCD ADD DIY parent like me, you manage the whole show and not make time to visit. Here are planning, purchasing, preparation, serving and clean-up tips for a perfect open house. Graduation Party Food Tips: Plan a Festive Graduation Party Buffet Without Going Broke or Crazy!