Gig drivers get to be their own bosses and have the freedom to work when and where they'd like. Those working for transportation and delivery apps like Uber, Lyft, DoorDash, and Instacart also need to be savvy as they navigate the unpredictability of work and make the most of their time on the road. What the jobs entail, the upsides and downsides of gig work, and making a go of it are discussed along with insights from industry insiders.