It was Dell who came out with their build-on-demand process, where they are able to keep a zero balance inventory. That means they don't purchase parts until an order is received. That is a way to greatly reduced overhead, since you don't need to warehouse parts or overstock parts you may not end up using.
I always thought the point of life was something richer than that. Something full of great tragedy or comedy, reversal of fortune, ecstasy, that kind of thing. But no, contemporary urban theorists seem satisfied with the merely livable, which always sounds to me like the merely survivable, the not so bad.