You have just finished a long and successful couponing trip. You feel great about all the money you have saved. However, your job as a savvy shopper is not over yet. A grocery store receipt is a complex document, and errors are surprisingly common. The use of coupons can actually make it more likely that a mistake will be made. By taking just a minute to check your receipt before you leave the store, you can protect yourself from these eight common and costly errors.
