Your can individually toggle pre- mid- and Post-Roll ads. Your can even set suggested spots within the video for the mid-roll ads, but that doesn't really control how many will actually be played.
This applies to videos with no copyrighted content. If you use any excerpts or music that someone else claims, anything might happen to your video regarding ads.
This applies to videos with no copyrighted content. If you use any excerpts or music that someone else claims, anything might happen to your video regarding ads.