Where my residence is in location to my parking, I have the advantage of spotting most anybody before they spot me, especially if I go out the back door. Most of the surrounding area is pavement, which provides for silent maneuvers, and is lit well. Whatever maneuver anyone thinks about doing, it should be based on the particular situation and your skills. If there was more than one person, I would not do anything. I would however, take down one person if I felt that I could do so.
Should the would-be attacker whip out a knife, I have been trained with my baton to remedy that situation. I would also not venture out without my pistol anyways, should I have to use that.
My insurance deductible does not phase me. The money is not an issue. It is what the bad guy does after he steals my vehicle (he would be stealing my vehicle, since there is no CD player or anything worthwhile to steal inside the vehicle) that worries me. People who steal cars use them in crimes, such as drug dealing and robberies, getting chased down the highway by cops and causing car accidents and killing innocent people. I do not want that to happen with my truck. If I have a chance to stop something while it's small, than I will do so. I don't think I can bear to see a family of four on the six o'clock news who were killed after running head-on with the psycho who stole my truck.
I believe that:
A. You have the right to protect your property. (see C.)
B. You have the right to defend yourself in protecting your property.
C. You do NOT have the right to shoot anyone fleeing the scene. (I have to add this here, based on a recent incident where a business owner shot and killed a man who was fleeing after he broke in and stole from his store. I believe the right to defend one's property and person ends when the suspect flees.)