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 have house sat several times, mostly, for family members. It has also included taking care of animals left while the owners go away. I have lived in or lived out, which involved stopping by several times a day. Family members are very trustworthy but I can give them my word that they can expect the best from me.