While many retail operations depend on the Christmas shopping season to ensure profitability, Becky Hoover, owner of Party Impressions, said Halloween has become the most important shopping season for her store. "Thirteen years ago when I opened Party Impressions, neon tutus, leg warmers, and purple wigs were not part of the traditional party ware line of business," she said. "Now, we have over 7,000 costumes in stock and thousands of accessories.