Walmart Plus builds on the retail giant's original Delivery Unlimited option, offering "in-store prices" and "as fast as same-day" delivery on more than 160,000 items.

Walmart Grocery, on the other hand, is a pickup and delivery service offered by the brick-and-mortar store. They have their own inventory — you just don’t have to go to the store to get it.

Walmart is now offering to stock your fridge for you--even if you're not home. The big-box giant is teaming with a smart lock startup called August Home to test a service in which workers would ...

Walmart has opened its first "dark store" in Dallas, Texas, and plans to open another in Bentonville, Arkansas. These stores ...

Delivery was a big draw, with those services availed at a higher rate than pickup in store, Walmart said. Target, by contrast, saw more of its shoppers use curbside pickup.

Kroger, the nation's largest grocery chain, also has a $35 dollar minimum for free delivery, but that's if you pay for an $8 to $13 a month Kroger Boost membership. Instacart partners with many ...