They can't break in if they can't find the door.
If Bill Gates can have the wallpaper inside his house change according to his mood, then there's no reason other rich people couldn't take the next logical step and make their whole house invisible using adaptive camouflage. That way when they turned the system on any would-be burglar would have a hell of a time finding the front door, giving them fair warning that someone was trying to break in. If demand for these systems was high enough maybe their price would come down enough for us all to afford one. That way when you looked down any street all you'd see is scenery - no houses