Create your own security system with battery-powered window and door alarms, and motion-detector exterior spotlights. DIY systems like the GE Control Center Starter Kit and Maxsa's LED Motion-Detecting lights are battery powered, so no need for new wiring.Cost:
$30 for the basic GE setup at The Home Depot
, plus about $50 for two lights at The Home Security Store
in the first year alone, including the cost of the equipment. Security monitoring services often install systems for free or at low cost, then charge a monthly monitoring fee of about $30.Bonus:
No more embarrassing mea culpa phone calls to the security company when you accidentally set off your own alarm.