Even the little ones with the small bottles would let you cook well enough and hold you over in Hurricane areas where you lose power. The thing nice about the smaller ones is it gives those city dwellers an option that is not really going to need a lot of room.

Also these are nice for older folks or those that can't move big heavy stuffs around. You also have the option of picking up the small cans over time and building up a nice inventory. Those cans are so small and so easy to deal with even elderly can something like this.