If people think of the clearance costumes, they will think of those costumes which are unwanted and old-fashioned. Clearance costumes have become the best source for Halloween costumes, dress up costumes for kids and party costumes. Rest assured that the prices will be unbeatable as well. You may save as much as 60 to 80 percent off the retail cost. The greatest part to know regarding purchasing a clearance costume is that nobody else will learn that you are wearing one but you.