ad breaks

I personally have one at the beginning and at a mid point. the lower banner one seems kind of annoying from a viewer perspective so I don't use it. Just curious what ads people use and what your thought process is for doing so.

Hello all, this is my first help request to the forum, so I hope it's worthy of your attentions. I will post each issue as a separate thread, and the following is Issue #1. Ad Breaks Placement is not an option for all videos. This means some of my videos allows me to control where (or when)...