Choosing the right home security system is crucial, and it sounds like you did your homework! Ajax seems like a solid choice with its lifetime warranty and customer support. It's great to hear you're satisfied with it. Another option worth exploring is https://www.vivint.com/packages/home-automation . A friend of mine recently got it installed, and they swear by its reliability and ease of use. Whatever system you go for, investing in your home's security is always a smart move for the future.