Guard Bottom Line: Check IDs: – Did you know that age-restricted products account for nearly half of all revenues in convenience stores? Read this new editorial from Service Intelligence from the December 2008 CSP Magazine, and learn how to protect this revenue stream with age-verification mystery shop programs.

CSP Magazine-Service Intelligence Petro-Convenience 2007 Mystery Shop – Click here to read about the third annual mystery shopping study; find out what chain ranked highest and what the results mean