Many good questions. Many I have already considered and some that I have not. In addition to some of the things you mentioned, here are a few I can add..
As mentioned, Rose bushes outside the windows are a great deterant. If you don't have those, think about putting in a deep bed of river rock around the perimeter of the house. You would be surprised how noisy it is when someone is walking through river rock outside your window.
For those who don't want to pay to have a monitored sercurity system installed, think about installing your own door alarms at each exterior door as well as your basement door if you have one. These are cheap and typically have two different alerts or off. Turn them to chime during the day and a constant alarm at night. As soon as the door is opened a LOUD alarm sounds. They are very small and installed with double stick tape at the top door jam. The inside basement door is often overlooked. How likely are you to hear someone gain access to your basement while sleeping at night? And if you don't hear them gain access, you certainly won't hear them open the door at the top or bottom of the stairs. In addition to the door alarm, put a deadbolt on the upstairs side of this door.
Locking storm doors are a good deterant too. Most swing out making them inherently hard to kick in. Think of them as two layers of safety. BGs would have to get through it and the regular door. They like to take the easy route...make your house harder than your neighbor's.
Install better hardware in your door hinges and frame. Most screws in door hinges and latch plates don't secure into anything other than the flimsy trim. Put some long screws in that reach the 2x4 wall framing. If they get past the storm door, they will have one hell of a time trying to kick in a door with better hardware. A house on my street was vandalized recently. It only took two kicks for the BG to gain access. They had a deadbolt but cheap hardware.
Old cell phones that no longer have a paid plan can still call 911. Keep your old unused cell phones plugged in around your house so you always have one within close reach.
Tell your kids to NEVER tell a "salesman" at the door "my parents aren't home". If you aren't home, instruct them to keep the door closed and tell anyone at the door that you are in the other room or the shower.
Fire drills maybe old school...but do them with your kids anyway. They work.
Do you and all the drivers in the house watch the rearview and pay attention to make sure no one is following them home?
That's all I can think of now...
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