If your cats are spraying urine too many times in a day, then your cats may be sick. Without providing treatment to the cats, if you go in search of methods on how to stop cats from spraying, none of the methods are going to work. You should collect urine samples of your cats and take them to a good veterinary doctor.
It is quite irresponsible of you to assume that the cats are spraying because of some behavior issues. Even if it is true, it wouldn’t hurt to consult a veterinary doctor so as to rule out any medical problems. Actually, the veterinary doctor also may give you some useful tips on how to stop cats from spraying even if the cats don’t have any medical problems. Hence, consultation with a good veterinary doctor should never be avoided. Once the veterinary doctor tests the urine samples, he would be able to give you the results in a day or two.
If some infection is troubling the cats, then you should allow the veterinary doctor to give proper treatment to them. You should not be thinking too much about money when one of your cats have an infection. If you do, then you don’t deserve to raise a pet.