Pull a kitchen drawer open all the way and stick it to the bottom of the granite with a bit a blu-tack

Not if YouTube interjects the ad after uploading and the location is randomized.

It’s only a matter of time before they start embedding them into the video like podcasts do and you won’t be able tell the difference between ad and video with software.

Yeah this is the way. I honestly forgot they had ads until I pulled a video up on my phone to show a friend the other day.