Hunters discussing Unit 30A in Idaho emphasize the challenging terrain, which requires good physical preparation and awareness of the area's conditions. There is a consensus that understanding the seasonal migration patterns of game, particularly elk and deer, is crucial for a successful hunt in this unit. Many recommend scouting the area in advance to familiarize with the terrain and locate optimal hunting spots. Additionally, hunters suggest paying close attention to draw odds and being flexible with hunting plans based on weather conditions and game movement.