CostCo and Wal-Mart have pretty different business models despite being competitors. It should be noted that CostCo's retail business, without the membership fe

CostCo and Wal-Mart have pretty different business models despite being competitors. It should be noted that CostCo's retail business, without the membership fees, is actually not profitable. It's the membership fees that put them in the black. Source: http://www.thedailybeast.com/articles/2012/11/26/why-can-t-walmart-be-more-like-costco.html http://www.thedailybeast.com/articles/2012/11/26/why-can-t-w...