Believe it or not, in the future people will be buying and selling homes. Some of them will even make a profit. It's not so crazy an idea. Consider Albuquerque, N.M. The mid-sized Southwestern city has experienced housing price declines since a peak in the third quarter of 2007, job growth has been flat, and housing starts are expected to fade by 45% through the end of 2008. Nevertheless, it's a city ...