This as-told-to essay is based on conversations with Michael Sim, a 33-year-old founder in New York. It has been edited for length and clarity. Four years ago, I started Future Flicks, a photo booth side hustle to bring in extra income. Living in New York, where everything is expensive, relying on a single paycheck wasn't cutting it. My wife works full-time as a pharmacist, and I'm a director of paid search at a media agency. The idea came while my wife and I were planning our own wedding, and