Some research suggests that about 30% of all burglaries are through an unlocked door or garage. While it’s easy to pick a lock, it takes much more time than walking through an unlocked door or window. That’s why you should always lock all of your home’s potential entry points; it’s the simplest way to add a buffer of time. Install a home security system. The research shows that homes without a security system are three times more likely to be broken into than homes with one. Home security systems obviously deter would be thieves by bringing audible attention to their break in attempts.