Another perk is that they know the area, the highlights and lowlights, pitfalls and dangers, and it's their job to ensure you have a great time.
Another perk is that they know the area, the highlights and lowlights, pitfalls and dangers, and it's their job to ensure you have a great time. But please do your research well (which includes looking at reviews) and only select a tour operator that's reputable and good at their job!