First-time entrepreneurs [tend to] focus on product-market fit," Zawadski said. "It's critical, to be sure, but your product is built by people. Identifying your founding team, understanding what gaps exist and [determining] how and when you will address them should be top priority. Figuring out how the team will work together ... is equally important. Defining roles and responsibility, division of labor, how to give feedback, or how to work together when not everyone is in the same room will save you a lot of headaches down the line.