Here is a summary of the responses I received to my request for information about home security systems: The October 2019 issue of Consumer Reports has a helpful article comparing DIY home security systems. The article points out the challenge of comparing apples to apples when shopping for a system and contains helpful information for deciding what you need. Vivint Smart Home Security System-- 3 recommendations. Vivint is available directly from the company and also at a discount via a Primerica representative. ADT-- 2 recommendations. Guardian-- 5 recommendations and one warning. One household preferred Guardian having also used Vector and ADT. One person warned about being drawn into an expensive, multi-year contract. Valley Electric in Imperial-- 1 recommendation. Not sure if this is a system or system installer. 724-695-8810 RING System purchased and installed by Best Buy-- 1 recommendation. Best Buy comes to your home to advise and install what you purchase. Wyze cameras-- 1 recommendation. $25 per camera, monitored via a free app. ARLO-- not recommended by one person Xfinity-- 1 recommendation. "$40 for the system + 3 cameras" SSA-- 2 recommendations and one warning about poor customer service