The document lists 10 common mistakes made when running Google ads campaigns: 1) selecting the wrong campaign type, 2) not optimizing landing pages, 3) ignoring quality score, 4) not setting up conversion tracking, 5) not doing proper keyword research, 6) setting bids too low or high, 7) not following standard campaign structures, 8) focusing on irrelevant metrics when analyzing performance, and 9) not improving the landing page experience. It encourages following for more digital marketing tips.