Fast and free is now even faster
Prime members in 27 major cities receive FREE Same-Day Delivery on qualifying orders over $35. Order in the morning (typically until noon), and your package will be delivered by 9pm, seven days a week. Order in the afternoon or evening, and get FREE One-Day Delivery.
From Wal-Mart.com: Free shipping now all orders without a membership
Free Shipping: Enjoy Free 2-Day Shipping on Qualified Items – Walmart