Those of us who shop at Costco know how important it is. After all, where else can you find entire crates of paper towels, XXXL bags of beef jerky, and delicious $2.00 pizza? Well, as good as Costco can be, many shoppers are making mistakes that can drastically raise the price of a Costco run. Want to learn how to save more money and shop smarter? This video will show you how. Don’t worry, you can still chow down on samples.