Lock all doors and windows even when you're home; eliminate hiding locations close to your front and back doors and reduce degree windows; begin of join a 'Neighborhood Watch' program-they work and they're free; put up some signage to let prospective bad guys that you've some protection; and try some motion activated spotlights or motion sensors. Lastly 'harden your home' as a target. How do you do that?
Get some glass breakage alarms, some burglar alarms, magnetic door alarms, some door mounted pepper sprays, a diversion safe to hide valuables, an auto dialer that sounds an alarm and dials as much as 5 pre-set numbers if motion is detected, as well as a motion detection hidden camera to catch someone if they do get in. Motion Detector Spotlight.