J.C. Penney made headlines this month by announcing it would offer free kids' haircuts every Sunday, extending what had been p lanned as a one-month promotion. This was undoubtedly welcome news to many families struggling to balance their budgets. Of course, J.C. Penney isn't the first merchant to offer complimentary services in the hopes of bringing more traffic through the door. Savvy shoppers know that many stores offer free products, services and special events. Here are some of our favorites.