I am at war. BIG TIME. Even though I got that plug that you stick in the socket and it makes the ultrasound that should discourage the mice from nesting and sticking their filthy nose into my private 150 or so square feet, the little fucker came back yesterday and, contrary to the first encounter, halted for a while, looked into the direction of the plug and me and rushed back into the gap between the stove and the sink.
So I got the traps today and bought a can of tuna - apparently the mice learned to nick the cheese without getting trapped (forget cartoons) as the cheese dries quickly, therefore something pasty works better. Bite the dust!