I have just one question. Why are you using a wired CCTV system? There is no need to use it nowadays. And of course, $225 is too expensive for that. That is quite strange that a year ago you had such an old-fashioned decision. I truly recommend you to pay attention to some modern brands like Ajax. I use a home security system from this brand. All the devices are wireless and you can install a system at any stage. It's better to do it when the construction of a house is finished. Moreover, this system does not require a wi-fi connection as it works from a sim card.