How Claude AI Built a YouTube Ad Campaign in Google Ads — Step by Step (With Reasoning, Token Estimates, and PPC Guidelines)

Dennis Yu gave Claude AI a plain-English brief to promote his interview with Erik Huberman on YouTube. Claude built the entire Google Ads campaign — targeting, bidding, creative, and launch — without a human touching the interface. Here is the full breakdown of how it was done, what it cost in tokens, and what came from BlitzMetrics guidelines vs. AI knowledge.