, besides the door and the door key, is the homeowner. Any security feature is worthless if the homeowner is careless forgets to engage it. And every home security feature is improved when a homeowner is vigilant and takes care of his home. For state-of-the-art security devices like locks, you can turn to security experts like Green Locksmith Van Nuys specialists, while if you need someone to manage proper everyday home security, a responsible homeowner should be able do the job.