Card Verification Code can be found on the back of the card, usually
within the signature panel.
can be found on the front of your card, just above the
number on the right side.
I personally have a cat but I have also "cat-sat" for families who were going to be away on vacation by making sure he/she was let out, fed, essentially taken care of. I have also cared for dogs, from taking them for daily walks to feeding them for long periods of times because families were on vacation or working often.