There are mid-ways. We have 1 cat that is "internal" i.e. can enter the house (and is normally given food inside) but of course is free to go outside in the ga

There are mid-ways. We have 1 cat that is "internal" i.e. can enter the house (and is normally given food inside) but of course is free to go outside in the garden and 3 cats that are "outdoor" cats, meaning they won't enter the house but are always around the house and are fed as well (outside).