Have lights to all entrances of your residence or business.
Have a viewer put in your door.
Never open the door to anyone except for the front door, and only when they are known.
Ensure that you have locks on all exterior doors and windows and use them.
Do not use your full name on your mailbox, telephone directory or answering machine.
Do not leave a schedule of times you will be gone on your answering machine.
Get to know your neighbors and find out which ones you can depend on.