Exactly...I'm waiting for an article saying that the air conditioning and toilet water in Walmart aren't free. Article is one big "duh". Of course shipping is

Exactly...I'm waiting for an article saying that the air conditioning and toilet water in Walmart aren't free. Article is one big "duh". Of course shipping isn't free. It's up to the company to figure out how to reduce or recover this cost, just like Walmart optimizes its supply chain.