Ben & Jerry's was started by childhood best friends. Four grad school buddies founded Warby Parker. A long friendship-turned-partnership brought Clear to TSA security lines across the U.S. A shopping trip between two pals launched size-inclusive clothing brand Universal Standard.
Yes, stories of successful business partnerships between friends exist. But for every Ben and Jerry, there are countless Janes and Joes ticked off at their college roommate for stiffing them on a business loan.
