When you find a house for the right price in the right neighborhood, it can make financial sense to rearrange and add enough space for your comfort. A bungalow presents a certain cottage-like style, and doubling its size would likely throw it completely out of scale. If a second story is needed, add only a half-story to keep it all in balance.
This couple with two boys was quite happy with the location and general configuration of the bungalow they purchased. Their chief complaint, however, was the separation of rooms and general lack of storage.
This house had a rather small, attached single-car garage (A). Without access to the house, using the garage still meant walking outside to get inside. As a result, the homeowners used the garage not for a car, but as a holding place for items not used in the house.