Only 20% chance of success.
Love your pet, embrace their uniqueness and get another one when the time comes and love that one and it’s uniqueness.
Cloning -
I had a dog I would have cloned. She was a unique mix breed and incredibly intelligent. I can't get another dog of the same mix, so a clone of her would be awesome. I wouldn't expect it to be the same dog, just something similar....but I imagine the cost makes the whole idea absurd.