She was working in retail at the time with a degree in physical education from the University of Denver and wanted to make a couple extra bucks on the side. (cnbc.com)
So in a sense, customers who use apps or digital tipping services are tipping more because they're willing to shell out a couple extra bucks for something more precious to them: their time. (bonappetit.com)
It's probably worth a couple extra bucks and a little more time commitment out of you. (ourbestonlinedatingsites.com)