Airbnb Hosts Built Mini-Empires. Now They're Crumbling.

For years, Airbnb's rental platform offered millions of people the chance to make money on their own terms. Now, with travel near a standstill, those hosts are scrambling to keep their rental properties afloat. WSJ's Tripp Mickle and Preetika Rana explain the rise and sudden collapse of hosting on Airbnb