If you head over and Register with House Party and then apply to host one of their campaigns. If you are chosen then they'll send you a free party kit (customized for the party you're hosting) for you to share with your guests! Kits can include FREE products, coupons, information and so much more! After your party all you have to do is simply log into your account and leave feedback about your party.
All you have to do is click here and join.