At present our cats do not seem to have any fleas, and we are not using any form of flea control. The ordeal of a flea bath is essentially a thing of the past. Indoor cats are safe from neighbors who do not welcome feline visitors to their yards. In most places it is legal for property owners to trap domestic animals that wander on to their properties. Wandering cats may end up at the pound, or worse, suffer injury from angry neighbors trying to drive them off.
Indoor cats are safe from predation by wild animals.
In rural areas especially, cats can become prey themselves to predators such as coyotes and Great Horned Owls. Obviously it is easiest to raise a cat indoors from the time it is a kitten, but it is also possible to convert an outdoor cat to an indoor cat. For tips on how to do this, see adjoining story. We have three indoor cats. No, they don't drive us nuts.