for BG coming up the street I use the howitzer mounted on the roof.
If he gets past that he has to navigate through the field of bouncing betty and surplus anti tank mines on either side and caltrops in the road.
If the BG escaped the howitzer and has run flat tires he better drive around the covered pit I dug last month.
After he climbs out of the car he better move quick since my 4 blood thirsty German Shepards haven't eaten in a few hours.
If he eludes the howitzer, has run flat tires, drives around the pit and loses the dogs he can start work on cracking open my front door which happens to be a salvaged provident bank valt door.
After getting that open he can stare down the barrel of my M2-2.
If he escapes the howitzer, mines, bouncing betty, caltrops, pit, dogs, cracks the valt, and my M2-2 he will be sad to know I have nothing to steal since I spent all my money on defenses...