In large cities you have many small supermarkets within a short walking distance from your house. It takes 20 minutes to do a quick shopping run to pick up what

In large cities you have many small supermarkets within a short walking distance from your house. It takes 20 minutes to do a quick shopping run to pick up what's needed. It's true that groceries are more expensive than at Costco...but you also don't need a massive deep freeze + pantry to keep all of your extra stuff, or a big car to carry it all in.