The cheapest grocery store in America may be the one that decided not to sell you half the things you wanted. That's basically Aldi's trick.
Then H-E-B looked at the same problem and tried something completely different.
Instead of stripping the store down, it built a cheaper version of itself called Joe V's Smart Shop.
And Walmart? Walmart has spent decades doing the exact opposite. More stores. More scale. More products. More customers. More purchasing power.
Three retailers.

Gif by abcnetwork on Giphy
Three very different ways to make a grocery bill smaller. And right now, they're all pushing harder.