Paws & Claws: Pet Vet Cheats
When you run out of supplies it is best to shop for them when there are no customers so you dont lose any customers.
If you are feeling bored go into town and enter the academy. When you are in the academy pay the money and take the test. When you are finished with the test you will be allowed to treat dogs, cats and even horses! Do not forget to renovate so that these new animals can be in-patients like all of your old animals.