It might be super convenient to only make one trip to the grocery store for all your essentials, but that can actually end up costing you more. And if you want to avoid a higher bill, then there are certain things you should never buy at the grocery store, such as prepackaged sliced fruit or an already bottled salad dressing. Such items may be time-savers and more, but when looking at the bigger picture you might want to think twice before purchasing them.
So, before going to the grocery store, check out this gallery. Click on!