MY three cats are indoor cats. I only let them out for a few hours, so they can run around and explore the great outdoors. I am afraid that they would get hit by a car or get lost. I also worry sometimes that another cat might bully them. Fortunately, ever since I got them, they haven't experienced any untoward incident. My cats know their schedule as well, so I don't worry about them too much. They would go home before lunchtime, and wait until the next day to go out. They are behaved that well. When they bring "gifts" such as dead rats and birds home, I just let them. As long as they don't eat those things, I don't get scared so much.