Dave Terry shares 6 valuable lessons learned from starting and growing a Drupal-based business. 1) Culture should always be the top priority. 2) Keep sales efforts ahead of delivery capabilities. 3) Have a singular focus and clear positioning. 4) Create scalable processes. 5) Listen to employees and customers for feedback. 6) Give back generously to the Drupal community as the more you give, the more you will receive in return.