Ebay offers Mr. Monopoly Dog Costume for $16.50 (reg. $26.24) with free shipping. 

Product Description:
Costume produced by California Costumes, where "Characters Come To Life"! California Costumes, headquartered in Los Angeles, California, is an industry leader and year-round supplier of Halloween Costumes, Fancy Dress, Wigs, and Accessories. California Costumes specializes in the creation of proprietary designs that meet the style and taste of the most discerning consumers.