 According to a survey from Bankrate, 36% of Americans are taking part in the gig economy, and New Yorkers are no exception. You have to have a side hustle to live in New York, I feel like. If not, you're going to struggle. People tell researchers their side hustles make them an average of $900 a month. Many millennials and Gen Zers are embracing freelance work, with the majority saying their side hustles aren't just for the financial gain...