This study is testing a program called Maximizing Energy to see if it can help women who have finished breast cancer treatment manage their fatigue. The study has two main goals: 1. Check if the program can be successfully delivered - Researchers will see if women are willing to join and stay in the study, if they follow the program, and if they find it helpful. 2. See if the program works - Researchers will compare Maximizing Energy to a general health education program to see which one helps reduce cancer-related fatigue better. Participant will: 1. Take tests to see if they qualify and to measure their fatigue. 2. Be randomized to receive Maximizing Energy or Health Education Interventions for 6 sessions over the internet 3. After the sessions and again one month later, repeat some tests to see if their fatigue has improved.