Construction standards call for a 1-hour firebreak, if you want a pet door then just understand the risk: carbon monoxide leaking into the house.Attic - another one most buyers don’t get into themselves, but we’ll throw stuff out there anyway•⁠Obviously we look for moisture damage, but there’s a big difference between damage and staining.

I’ve never bought a building that had stained glass windows and I recently picked one up that has some.

We promptly removed the carpets and noticed large amounts of what looked like mold stains on the carpet pad, all tack stripes were completely molded in both basement rooms.

Had pet stains on the floor, it was a National home and the inside looked like a manufactured home with the 'thin' walls.   

Ordinary wear and tear does not include things that can be cleaned like dust, tar stains, trash piled in the garage, etc.

My idea for flooring was to stain concrete, but I've never done student housing.

My wife is hell-bent on tile, but that is more costly and I'm concerned about maintenance and safety (especially in the bathrooms and kitchen...urine stained grout and cracked tiles where tenants drop their cast iron pan on the floor...eeek + slippery when wet!).

There are water stains and possible mold on the plank sheeting and some rafters in the attic area of the home that have been caused by leaking of the roof or leaking around the chimney flashing.3. here is active knob & tube wiring present in the attic area of the front home which is the reason for the ungrounded outlets present. 4. 

Cigarette smoke is what makes your walls and ceilings stain and smell because of the habitual lighting a cigarette.

If the drywall wasn't damaged to the point of crumbling and sagging, you're right just use a stain blocking primer and paint over.