The real gain is that you get to choose where and when to point the telescope. If you don't care this makes no sense. However if you get interested in anything

The real gain is that you get to choose where and when to point the telescope. If you don't care this makes no sense. However if you get interested in anything other than the most common objects odds are nobody has good long term pictures of it. Even if you are a professional getting time on a big telescope when you want it is a problem.