Forget to buy toilet paper? You might be able to add it to an Amazon order that hasn’t gone out for delivery yet.

In an announcement this week, Amazon introduced a new feature called Add to Delivery. Instead of placing a whole new order when you want to order something else, the company explains, you can now use ...

Walmart this morning announced a new plan to help its retail store customers complete their purchases — even if the items they want aren’t available on the store’s shelves. The retailer says it will ...