Top 5 Google Adsense Mistakes Publishers should Avoid
1) Invalid clicks and impressions
If want to keep secure you account then avoid by invalid clicks, Google will never ban you without any reason, if Google found any invalid click in your account then Google will disable your account, best tip is avoid fake clicks, don’t invite your friends to click on your ads.
2) Copying/Stealing Content
3) Posting Pornographic or Pirated material
4) Creating Multiple Adsense Account
5) Ad Behavior, Ad placement, Site Behavior