Just after 4 a.m. on a recent Friday, while most of the neighbors in her leafy Boston suburb were still asleep, Jennifer Guidry was in the driveway of her rental apartment, her blond hair pulled back in a tidy French braid, vacuuming the inside of her car. The early-bird routine is a strategy that Ms. Guidry, a Navy veteran and former accountant, uses to mitigate the uncertainty of working in what’s known as the sharing economy.

Via jean lievens