Almost all of my vids now get demonetized when I post them. After manual review, almost all of them get approved. Conveniently after the first day or so, when they see the most success, therefore costing me almost all of my ad revenue. Thanks, @TeamYouTube.
Currently, I'm doing the obligatory Mother's Day thing, soon I'll put together some playlists to be shared around. I also have four devices I can run simultaneously spread out over several accounts.
Six hours should be about right.
It'll be like mining Bitcoin 
