They are clean, quiet and require little space. Cats can be easily litter box trained and remain indoors all the time. Cats also require regular grooming and their nails trimmed. Cats will scratch furniture unless you provide a scratch post and train them to use it. Cats require regular veterinary check-ups, vaccinations and spaying and neutering which can be expensive.
Outdoor cats are more likely to require veterinary care.
Cats require identification in case they get lost. There are special cat collars you can buy or you can have your cat tattooed. As it starts to fall, with its body upside-down, an automatic twisting reaction begins at the head of the body. The cat spins and stretches its legs out toward the ground, arching its back to reduce the impact of the landing. Cats scratch the furniture to strip away old, worn-out sheaths on their claws to make way for new claws beneath.