I chauffeur execs as a side hustle. I rely on their tips more than base pay to make money.

A chauffeur who works for a black car service says tips are essential to his earnings.Bernd von Jutrczenka/picture alliance via Getty ImagesGig workers, from Uber drivers to delivery workers, say that tips are a big part of their earnings.One chauffeur in Florida said it's also true for his side hustle at a black car service.The job involves driving executives and pilots to and from airports, the driver said.This as-told-to essay is based on a conversation with Marcus Thompson, a chauffeur