I recently bought a pair of pajama pants from Walmart.com and they shipped the same day. How many online retailers do that? Other than Amazon, of course. Certa

I recently bought a pair of pajama pants from Walmart.com and they shipped the same day. How many online retailers do that? Other than Amazon, of course. Certainly Walmart believes they are competing with Amazon. (I would have bought my patio furniture there, too, if they hadn't sold out. Instead I bought it on Target.com.)