THF_Best of Spring_2012_Park Slope(Matthew Williams)45The end of summer usually means it's time to update your wardrobe and swap your summer gear for fall fashion. But this time of year also means the beginning of Housing Works' Best of Fall sales.Yes, sales, plural. From August 30 to September 25, 12 Housing Works locations throughout NYC will have mega sales on thrifted and vintage clothing and even furniture and art. Each location will have a different sale date and time and entry is free-99.