Category Events - United States, Cedar Rapids (IA) Say hello to a good buy by shopping area garage sales! Planning on hosting a sale? Add it online at no cost. Planning on shopping sales? Search the sales and plan your route. Visit https://www.dupaco.com/GarageSale for more information and to get started! This community-centric event is made possible by Dupaco Community Credit Union, 98.1 KHAK, 104-5 KDAT, and 94.1 KRNA.