I had a tenant that just moved out after 1 1/2 & during tenancy put 144 nail holes in the walls, which walls were freshly painted when tenant moved in. Tenant badly filled a little over 1/2 of holes so the filling must be redone. Since the walls are so marked up & once the holes are properly filled & sanded, all the walls will look like they are diseased. Complete repainting will have to be done instead of patch painting, which is something I try to do as often as possible for a short tenancy like this one, since proper painting with decent paint and a licensed painter is no longer inexpensive. This repainting is going to cost about $900 by the time it's done. What is the average useful life of interior paint and can I charge a depreciated cost again tenant's security deposit?