A common question we get is how many cats are too many? The answer is not a simple one and really depends on how much time and space you have as well as the personality of the individual cats. Some cats are more gregarious than others and some cats prefer to be alone. There is no doubt that the number of behavioral problems increases with the more cats you have in your home.
For more information on how many cats are too many, please read How Many Cats are Too Many