3 ways to play. Option 1: switch lot to residential. Move in families on each level making sure to lock out others by clicking sim, then clicking door of floor u want them to live in. Option 2: Switch to VET and just use vet clinic. Option 3 Download mod https://littlemssam.tumblr.com/post/175413151383/live-in-business-this-mod-adds-lot-traits-to-the . This mod will allow your families to live upstairs and run the vet clinic. #Snowyescape #Catsandogs #Vet #Vetclinic #Pet #Condo #Flat #Apartment