We all know that a cockroach killer is made up of hazardous chemicals, but this is something you should keep in your home. You would not want a roach come fluttering around your house, especially if there are foods around. Of course, those pesky insects carry microorganisms that can bring diseases and illnesses to you and your household. 
Why Should You Keep a Cockroach Killer?
Basically, a roach killer can help you to deal with cockroach conveniently and instantly. You would not want to call up the pest control just because of a single roach crawling on your cabinet. You can simply schedule an extermination procedure properly, and just deal with what you can see for the mean time.
A good cockroach killer is packaged in a suitable container that do not get damages easily. It may come with a built-in sprayer, or some requires you to pour an amount into a sprayer for use. You can easily grab it up if you see one or two roaches around your place, and easily kill them up.
You just have to remember to keep it in a place where it would not be reached by kids. Also, remember to carefully follow the directions of using it, for you and your household not to get sick because of the strong chemicals. An efficient roach killer is made up of chemicals that can kill all kinds of cockroaches, and can be harmful to you when you would inhale too much.
All you have to do is to look for a high quality cockroach killer that you can use. Remember to choose one that has high efficiency, but has lesser amount of chemicals that can be extremely bad for your health. Also, take care of your dogs, cats and some other pets while you use it up for their safety.