This was one of the best tours we have done, but there's definitely room for improvement. We were turned off immediately when they tried to get some extra money out of us the moment we walked in the door. I'm paraphrasing, but they basically said "buy our water or you'll be sorry" even though they provide free water during the tour. They wanted us to buy a photo package before the tour began when it's obviously better to wait and see what the photos look like first. They charge $10 to use your own GoPro - I have never experienced this on any other zipline tour.
The other issue is the group size. There was a lot of standing around during the tour because the group was so big. It felt like Disney World with no FastPass.
All of that being said, the course itself is excellent. Most places have a few lame lines mixed in with the good ones. Every line on this course is memorable.