I know someone who had planned on buying a refrigerator. They saw one they liked at Lowes for $1,500.00. So, they went to the grocery store, bought some groceries and also bought Lowes gift cards. They bought 15 $100.00 cards, so that purchase alone earned them $3.00 off a gallon of gas at the local gas station! They were able to not only get multiple fill ups, but to also fill gas cans to use throughout the summer of mowing their lawn.