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You Should Definitely Be Buying These Things At Costco

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14. Quinoa
Quinoa is a superfood that is packed with protein. And it's a great bargain at Costco.com. This 4.5-pound bag of organic quinoa sells for only $10.99. If you have priced quinoa at a grocery store, you know you would pay between $5 and $8 for just one pound. That's a great savings, and you can easily store it in the resealable package for months. Plus, this quinoa is pre-rinsed. If you have bought quinoa in the past, you might know that it can have a funny flavor if you don't rinse it properly. But no need — Costco has done the legwork for you!