Hunters discussing Unit 15BE in Arizona emphasize its challenging terrain, with tough access and rugged landscapes requiring thorough preparation and scouting. Many highlight the importance of understanding the draw odds due to the unit's popularity, suggesting early application is key. Reports indicate deer behavior is heavily influenced by seasonal changes and water availability, making water sources an ideal focus for spotting game. Advice from experienced hunters includes leveraging elevation for better visibility and remaining patient, as persistence often yields successful outcomes.