Home security systems can also play a part in helping to watch over loved ones who need extra care. For instance, indoor cameras and motion and door/window contact sensors can alert you to how , Most home security systems allow you to buy single sensors or compatible devices and add them, one at a time, whenever you want to upgrade or address a specific problem. But they go about this in , Home security systems are an excellent way to protect your home and family. The best home security companies offer affordable systems that utilize the latest in technology, including wireless systems, motion detectors, and remote access while you're away. If you're considering a home security system, make sure you choose one that has a good , DIY home security systems are as reliable as professionally installed systems. In a lot of cases, you’ll have the opportunity to choose between setting up devices yourself or a technician doing it for you. Our expert tip is to choose a DIY system that offers cellular backup so it stays online even if your internet connection goes out., The cost of home security systems can vary widely because of how unique each one is—however, some average costs include $140 to $600 for the actual systems and $10 to $60 in monthly fees., The ADT security system has been around since 1874(!), and the system is so longstanding and widespread that it’s worth mentioning just for its reputation. ADT is so well-known that its blue hexagon alone may make a criminal think twice. “I’ve had only good experiences with ADT. Something they bring to the table is years of experience,” says Ben Michael, an Austin defense attorney who .