The e-commerce giant has launched a new feature on its app called "Add to Delivery," a button that allows customers to add additional items to a delivery for an order that has already been placed.

If you’re gearing up for October’s Prime Big Deal Days, here’s an easy way to turn your Amazon spending into extra rewards — no coupon codes or complicated stacking required.

Share an Amazon Prime account with others? Here's how you can hide what you've bought and keep your purchases a secret.