Photograph by Archi Viz / Shutterstock More than half a million people in America today lack housing. Some sixty-six thousand live in Los Angeles County alone. Among them is Augustus Evans, whose desire for steady work was thwarted by a felony record for bank robbery. Evans has been homeless for about a decade, but, for more than seven years, he’s kept a roof over his head and put some money in his pocket by house-sitting, as a form of gig work. A company called Weekend Warriors pays him eight hundred dollars a month to provide twenty-four-hour security for temporarily vacant properties in ...