Depending on the system and the degree of protection you would want it to provide the installation could range from easy to very difficult. A wireless system would be easier for your average homeowner to install, but costs are higher. If you want a monitored system, sometimes you can save money on install packages from national alarm companies, if you agree to a monitoring contract for a certain period. It is very important to consider all the details of the system and the installation to acurately evaluate the cost and the degree of difficulty, if you do it yourself. The website listed below has an abundance of information on this subject and should be very helpful in making a decision. You can also get a good idea of the costs of the hardware, I have found there prices competitive in the past. They also have an extensive library of technical info including manuals and installation tips.
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www.aesecurity.com/faqs.html[/url]