https://www.cnbc.com/2019/04/26/amazons-free-one-day-shipping-puts-the-pressure-on-walmart-target.html > As if promising two-day delivery wasn't enough, Amazon just raised the bar for retailers across the U.S. — chiefly Walmart and Target — to offer even faster and cheaper shipping for online purchases. Or to lean into their bricks-and-mortar stores, something Amazon can't do, even more. > The e-commerce company announced on Thursday it will be making one-day shipping the standard for all Amazon Prime members, expecting to spend $800 million during the second quarter of this year to improve its warehouses and delivery infrastructures to make this possible.