Earlier quoted context omitted.
Supermarkets have to operate at scale, and their inventory has to be a relative mirror image across all locations, as well as match prices they plan and advertise in advance. To enable that standardization, there's a lot of central planning, and I imagine also a lot of centralized logistics. These farmer market-style operations are much more fluid and flexible.
How does El Super do it because they appear to operate at scale. A friend said it could be cheaper labor cost and I just saw this- http://elsupermarkets.com/supply-chain-act They reference slavery and human trafficking, and say they investigate reports of it but don't audit their suppliers. I don't have specifics but I think you could buy apples for 80 cents a pound, and everything else is just unbelievably cheap. I'…
El Super, Superior, Superking, etc also source their products differently and there can be huge variation between stores depending on the neighborhood socioeconomics.l