Costco shoppers love the Mama Mancini's Jumbo Meatballs. "Costco mamamancini's jumbo beef meatballs are legit. $13.99," one Redditor said. "Comes with PLENTY of sauce, imo. I had expected to add sauce ...

Costco members love the deals available at the meat department. "For me their meat department pays for our annual membership.