While it is possible to install The Honeywell Ademco V20P home alarm system yourself, it can be quite the process. You may feel more assured if you have a professional install the alarm.
Yes, Wireless burglar alarm system is far batter than old fashioned hired wired burglar alarm system. You can easily locate it in required places. And less expensive as there is no need of wire. They are best for home security.
It is hard to determine what is the best wireless alarm, as needs vary from person to person. What works for one could not work for another. The best move would be to determine what you are looking for in an alarm system, do some research, and find the system that works perfectly for you.
Installing a wireless security camera system can be hard to do, properly, on your own. You can hire an electrician to install it, which could be pricey but it gets the job done properly! Here is a website about installing wireless security systems http://www.homesecurityinformation.com/how-to-install-a-wireless-home-security-system.htm
Not hard at all, depending on how well you know your car 10 to 15 min tops should be the install time of this car alarm.
A wireless keyboard has very simple plug and play installation.
This depends on how you are as an individual at wiring projects. If you understand the intercom wires and how to hard wire them throughout the house then it may not be difficult. This website walks you through a general wiring job. http://homeintercomsystemsinfo.com/nutone-intercom-systems/how-to-install-a-wireless-home-intercom-system-2/
That depends on what brand alarm system you have. If it is a hardwired alarm system and you have never lost power to your home, it should last five years. If it is a wireless system or if you have lost power a few times then its about three years. Most battery backups are hard wired meaning they do not require changing. You can verify your type and when to change them with the system manufacturer.
Sure you can. The best bet is to go hard wired in stead of wireless. A wired system won't need batteries and wire doesn't fail unless it's cut. You can get a good basic system installed by various large companies for a reasonable price ( in some cases even free so long as the system is monitored ). Ensure the companies techs are licensed and bonded to work and install in your area.
Did you install Windows XP to the hard drive? New hard drives do not come with an operating system; to boot from it, you have to install one on it.
Installing a car alarm should present few difficulties. However an alarm for a building could be problematic. Many countries have regulations and codes of conduct for such installations. It would be wise to check local ordinances.