Getting Ready for Fall? Cash in on your Clutter. Mark your calendar for DeWitt's City Wide Garage Sale on Oct. 5th. For $25, you get 2 yard sale signs, 3 regular garage sale signs, 3 balloons and your 25-word garage sale ad published next to the city-wide map on Wednesday, October 2, showing your number and address location. Additional maps available can be found around DeWitt at convenience stores Saturday morning.