At a time when Australians are looking to save money more than ever before, Coles is offering a nifty way to get a bigger bang for your buck by giving customers 10% off selected Coles Mastercard Gift Cards. This money-saving hack will help customers save on upcoming purchases – from groceries, household bills, petrol, office suppliers, restaurants – with the offer helping to cut the price of anything that can be bought with a Mastercard. The discount offers endless opportunities for customers to maximise savings, with the most common use for the Coles Mastercard being on the weekly grocery shop (58%), followed...