"One, get a mentor ... Find somebody who's done this before you, or done something similar," says Berkowitz.
Here's why he recommends both, and his advice on picking your dorm room business idea.
A trusted mentor can help for a simpler reason, too: "You don't know what you don't know," says Berkowitz.
But most college students don't fully appreciate "how much time you have" to experiment with a variety of ideas and ventures, says Berkowitz.
How to pick your dorm room business
Persons:
— Seth Berkowitz, Berkowitz, he'd
Organizations:
University of Pennsylvania, CNBC
Locations:
New York, Philadelphia, Syracuse