4)  Entering the content network without modifying your bids.

This is our favorite one. We can increase a campaign ROI by up to 300% relatively quickly with this one! Many advertisers are STILL opting into the content network as part of their search campaign. Don’t opt out completely, simply duplicate your campaign and set it to content network only. Make sure you set your bids much lower to begin with and optimize accordingly. Running ads on the content network and search network can skew your ROI data and force you to make bad decisions with your campaigns.

Are interested in hiring me as your personal Adwords Training Coach, click here.  Let me teach you the tips and tricks Google will never share with you.