None...? The ad has to be viewed on someone elses video, clicked on, then they can sub... It isn't any sort of botting process.Thanks for the guide but how many of those subs are fake/bot subs that don't engage with your video?
I think I read somewhere about paid advertising getting your channel spread but there are click farms that click the ads which results in subs increasing but no gain in viewership.None...? The ad has to be viewed on someone elses video, clicked on, then they can sub... It isn't any sort of botting process.