This will keep a burglar from being able to open the door simply by breaking the glass and reaching through. Noise Get a dog. Remember to License and Vaccinate it. Consider having someone care for your dogs in your home while you're away, instead of boarding them. If you can afford it, install an alarm system that will alert neighbors of a burglar's presence.
Most systems can even summon local police directly.
Don't forget to check the Alarm Code. Be sure valuables such as guns, electronic devices and artwork are not visible from the street. Be sure to lock up ladders and tools which could be used to break into your home. Work together with your neighbors. Organize a Neighborhood Watch and let your neighbors know when you will be away for an extended period.