Find Garage Sale ads in Sydney Region, NSW. Buy and sell almost anything on Gumtree classifieds. All Garage Sales in Buy & Sell classifieds in Sydney. (52). Show Map Garage Sales. MEGA Garage Sale Sat 16th 8am - 4pm 1/80 Tramway Rd Nth Avoca. Browsing Garage Sales | NSW & QLD Classifieds. All Garage Sales in Buy & Sell classifieds in Northern Rivers / Byron. (6) Save this search Login to save this .