Seven secrets to successful op shopping

By Mex Cooper
Updated October 16 2014 - 10:18am, first published August 29 2014 - 4:06pm

Once considered the domain of grannies searching for a crocheted hankie, op shops have become a haven for hipsters, fashionistas, avid recyclers and bargain hunters, including Prime Minister Tony Abbott, as revealed by his wife on the weekend.