This document provides tips for trainees to become successful interns. It defines a trainee and internship, and notes the benefits for both trainees and employers. It recommends that trainees be polite, have good communication and technical skills, and contribute to department goals. It also discusses obstacles interns face and strategies for success, such as taking charge, playing to strengths, and proposing concrete ways to help. The conclusion emphasizes the need for interns to add value from the start and find ways to make themselves indispensable.