I have a 7yr old son and we used to live with my sister for 5yrs who has a dog that is medium sized. We live with our landlady for about 1 yr now and she has 3 small yorkies that are 3yrs old. I'm available from 6a.m.-10p.m. and doggie boarding. Me and my son both love dogs very much but I'm not able to afford to have a dog of our own. My son ...