As a registered dietitian and executive member, I always stock up on these 7 Costco items for budget-friendly meals

Costco isn't my closest grocery store, but I still make the trip to stock up on essentials. Samina Kalloo I'm a dietitian who loves buying staples at Costco — even though it's not my closest grocery store. I've found ground turkey to be uniquely cost-effective at Costco, and I also stock up on eggs. Other items I always add to my cart include frozen berries, rolled oats, and Chobani yogurt. As a registered dietitian, busy mom, and Costco executive member, I'm always looking for foods that w...