I can't vote either, as none of them apply - I do allow my cats to go out, but not my fosters, although it does depend on the cat - the girls dont even come downstairs these days, never mind see the front door, Molly even spent all last summer chattering at birds from inside the house, although Zi came out the odd time. I couldn't keep Sam as an indoor only cat though, he sprays in front of you if he wants to go out and you refuse. He does wander and bully other cats though, and will also go in people's cars, hence his collar (the girls only wear them if they go outside). I have lived here for 8 years, and only known of 2 cats been hit by cars, one survived, one didn't, but I approved the one who didn't to adopt another cat from the rescue i volunteer for, as I still believe it is safe, and was just a tragic accident. I dont agree with people like my new neighbour who leaves her cat outside in all weathers, seemingly regardless of what the cat wants. I wont have a catflap though, cos of the cats that live round here, i only know of two that keep theirs indoor only.