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Personally, I like the idea of security systems that take a more proactive approach to preventing intrusion. The Door Jamb looks a relatively easy installation and the price is right, when you consider what someone would normally pay for a reinforced door.

Price: $120 - $150, depending on the type of door lock that you have. If you have a lot of doors, that could get a little pricey, but for the average home it isn’t too bad. [Baller House]

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