If my vehicle was stolen i'd be screwed. The insurance would cover some but I would still be out. Small things don't stay inside and large things have a couple of bolts tack welded. I never tacked any of my bolts until my buddies winch, front and rear bumper's were stolen one night from his driveway. I've switched over to remote mount radios and have the control heads look like their part of the dash and the mic's plug in. The mics stay in my console. My tablet mount only has the ball showing when its not in. If someone looks inside they see what looks like a stock vehicle with nothing to grab quick.
As far as total vehicle theft, I had a friend who owed a repo company (not like the fake TV ones). It was amazing how fast he could grab a vehicle and load it up on his flat bed. He showed me that he could grab anything fast. There was a Jeep theft ring operating not far from me, and after calling the
Bristol West Insurance phone number for advice, I realized how vulnerable vehicles really are. In one of the pictures I saw how they grabbed some of them. OMG it was very easily done.
Like
@MOAK said, I self insure and take what precautions I can. My insurance would cover some things but the cost prevents it.