We’ve all been there. You’re standing at the checkout line as the cashier rings up your shopping cart full of groceries. The number on the screen keeps going higher, even though it doesn’t feel like you got all that much. But if you take a closer look, it’s easy to see where the extra dollars are going—there’s the weekly bag of spring mix that never gets fully used, the chicken that isn’t on sale this week, the out-of- season peaches—you get the picture.

While you don’t have to become an extreme couponer to cut down on costs, you may want to take a look at your current strategy and see if you’re making any of these shopping blunders. Being aware of these mistakes can help you get back on track to save.