Generic supermarkets in the US often have widely varying product quality in the same store. For instance, you can buy various types of "parmesan", US made or er

Generic supermarkets in the US often have widely varying product quality in the same store. For instance, you can buy various types of "parmesan", US made or ersatz or Kraft or whatever, probably some of it's sawdust, but every place I've been to also has genuine and expensive parmigiano reggiano, as well as US made parmesan that's aged and relatively good quality. Even specific brands will have different prices and quality, like for example the deli/produce section often has products sold by irregular weight that are better than the standardized packages elsewhere in the store.