If you're worried about missing key AdWords trends or issues related to your account, you can schedule an automated e-mail to be sent to you when certain conditions are met. This feature can help you stay on track with important developments and can help you quickly fix problems before they become major issues.
Decide what you'd like to monitor. Here are some ideas on e-mail alerts you can set up for potentially troublesome issues:
Campaigns or ad groups receive no impressions
Keyword CTR falls below a certain threshold
Keywords are not triggering ads or are not eligible to run
Keywords have below first page bids
Keywords have low Quality Scores
Ads are under review or disapproved
You are losing impression share