Off the top of your head . . . Do you know what a good price for olive oil is in your area, how often it goes on sale, and which grocery store usually has it at the best price? If not, a price book could be a good tool to add to your savings arsenal.
Create a price book to track how much you spend on each item that you purchase, and you'll soon know when something is a good buy, and even how much you need to buy to last until the next sale.
Ready to get started? Here's a free printable price book that you can use to track your spending: