Nope, as per my username I live in a place where infrastructure was developed before the car.
Update: you don't need to purchase groceries daily. That would be more expensive, you put the money aside for later. The trick is that you don't spend money that should cover expenses next week, that way you can more closely monitor your spending.
I didn't mean it as a critique of what you were saying, and certainly not as an insult to you, but rather as a disappointed critique of American city layouts.