I come here mainly for the bulk coffee beans at a great price, and the miscellaneous other little things you don't buy normally because of the price but they're the right price here.
Pepsi and Coca Cola are both ~1.00 for a 2 liter, and eggs/dairy are a rest price with a great selection.
My personal opinion is it's like a Costco version of a grocery store, which ironically with the name...