In discussions about Unit 42 in Arizona, hunters frequently highlight the challenging terrain and the need for physical preparedness, noting that success often correlates with understanding the area's layout and water sources. Several users mention the importance of pre-season scouting to identify game patterns and increase chances during hunts, especially with the elusive mule deer. The consensus suggests that the unit can be rewarding with perseverance and proper planning, particularly during cooler months when game movement is more predictable. Overall, experienced hunters emphasize flexibility and patience as key components to a successful hunt in this unit.