This is can be a real saver, ever been situation where you want cut out a blooper, loading screen, black screen or just something else in your YouTube video. But you don’t want to because remove your old video and upload a new one, that would lose all views and comments. The cool thing you can actually cut away parts in your video with the YouTube video editor without have upload a new one. I used as messed up the in and out points in my export and added 1 minute of nothing at the end of the video.
You can actually cut things, remove and do quite much in the YouTube video. Though you can not add new stuff, but trim away and cut if you want. A dear friend at the Pred&Beranies YouTube channel has made a video showing you how to cut in middle of a video, it is video in this article if you had figured out already.