<br /> Uber and Lyft have taken the world by storm.<br />Business Insider has spoken with dozens of drivers to learn more about what it's like to work for the ride-hailing apps.<br />A handful of complaints are nearly universal among drivers.<br />Don't eat — or at least ask first.<br />Don't ignore your driver.<br />Don't slam the door.<br />Don't flirt with your driver.<br />Don't be late. <br />