Good points, although you don't have to go shopping every day in any case. Tomatoes last a few weeks, onions and garlic a month or two. Carrots and cabbage are rare enough that I only buy them for specific meals.

I live in a city flat where there is no risk of ants or cockroaches, and even fruit flies are only around in the summer months. So I guess I just don't have the same problems as others.