People will buy [groceries, which usually rely on abundant shelf storage space and refrigeration and the trust of name-recognition and the advantage of a fixed, predictable location] at below-market prices and resell them

I’ll be part of the gang that buys up produce to resell it, but to keep it from spoiling, stores it in brine and then carts it around on rickshaws at zero cost to sell in the black market, proving this abstract model of economics right.