By Nausheen Husain, Tania Barnes, and Vivian Doskow
Not every business that booms is, uh, a typical one. In fact, entire cottage industries exist for finicky consumers who don't want mass-produced products or for specific jobs that the ordinary company cannot handle. From murder-scene (pictured) cleaners to virtual-dating assistants, NEWSWEEK takes a look at the colorful world of unconventional businesses and some of the people who run them.