It's less true in retail (of non locally made goods), here the margins are in the supply contract (think the volume discounts on alibaba or Sam's club). It's l

It's less true in retail (of non locally made goods), here the margins are in the supply contract (think the volume discounts on alibaba or Sam's club). It's likely that a mega retailer like Walmart generates this margin in their supply chain, bulk land/space and pays out, in total more via wages and benefits (particular possible with the scale of healthcare costs and benefits programs like scholarships)