Although discount retailers offer a wide variety of products for one-stop shopping at an affordable price, it’s their consumables selections that having been

boosting sales, albeit indirectly. Grocery-related consumables tend to be low-margin products, but, because they often need to be replaced on a weekly basis, these products keep consumers coming back regularly, explains David McGoldrick, U.S. analyst at Euromonitor International, Chicago. Plus, while shoppers are in the store, they might also purchase higher-margin items, he says.