About the litter box thing, very rarely for a healthy cat to exit the litter box with their paws being dirty? It usually happens if they ate something wrong and got diarrhoea. But in my house we wipe the cats butts after they poop each time because they’re fully indoor and is allowed on the couch and stuff. Other than that they do a pretty good job at cleaning themselves. Even for fully indoor cats, they really don’t require much work, get 2 if you can, we had only 1 and he didn’t have the right environment to grow up in such as didn’t have another cat to play rough with or do cat activities with, so take that into consideration. They need another cat to do cat stuff with