This is not be a decision to take lightly. You should really think about which safety methods work best for your family.
Be sure that your home is always looks occupied. You could purchase timers and have your TVs, TVs, lights and other electronics go off and on at different times. This will give your home the illusion that someone is presently at home. This can be a great way to keep your home safe and keeping burglars at bay.
Always change the locks changed when you buy a new home. You simply do not know how many keys to your house. Do the same thing if you happen to misplace your keys.