Youtube Campaign Optimization Question: Let's say I've got 20 Placements in mind. This is the only targeting I want to use, because in this case the Channels themselves do the audience targeting work. What is the best way to organize this? In the past I've mixed it into say 4 Adgroups of about the same total Subscriber size, but inevitably one of the placements seems to get all the spend in an Ad Group, and I don't get the sense anything was truly tested. Would it be better to organize as 20 distinct campaigns and optimize off those results? Am I missing something fundamental even thinking like this? I'm admittedly still missing the conceptual link that gets me from knowing what I'm doing with Facebook ads and engaging in Google Ads.
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