Location: Erie, Colo.
Surveillance system: Envysion
Cost: $850 to install 4 cameras, plus a monthly $160 subscription fee.
Used since: April 2007
Owner Ryan Elmore caught employees leaving early, cutting corners in the kitchen and giving out free meals to friends. By watching remotely, he was able to cut down on overstaffing and absenteeism and improve customer service. As a result, his profits grew 43% last year.
NEXT: Improving customer service