You realize horse, dog, and cat were the first domesticated pets, right? Each had a purpose and brought value to the household.
Discussion
πΏ (watches cat fight)
Is having a dog and a cat and a snake considered a cop-out or a win?
That's called heading your bets. But you're missing a monkey and a bird.
Cows too. Milk and meat and labor. They are walking tanks, or locomotives, if you like.