Have you downloaded the DBS Shopper app? Apart from telling you the best deals in town, there are some coupons on offer that are of great value. From 29-31 July, there are 12000 e-coupons that give you $3 discount when you purchase $75 worth of fuel from Esso. The best credit card to use would be the Esso card which gives a 17% discount immediately. Download from the iphone or android store now!