One of the leading things that we like about these houses is that they often have hardwood floors, sometimes below stained carpet.  

what about stains and smells from pet urine?

He also said that if he needed to lightly stain to get a match he could but I told him it did not need to be perfect and I really am the only one who notices.

My property manager used to go to Home Depot and buy the un-painted cabinet and stain them.

So I'm always at a loss for what to do with stairs.I normally use the metal stair edging for stairs that aren't showy: Leading to basements, etc because I feel that is best for slip/trip prevention, but I really like the look of stained (or painted dark brown) Treads with white risers, especially when there is no other carpet in house.Wooden stairs are less slip resistant compared to carpet or metal edging: fine for my house, but I worry more about slips/trips at a rental.Does anybody have any decent looking solutions?  

I shouldn't tempt fate but we just haven't had any issues worth complaining about maybe a carpet stain but that happens at my own house with my kids. 

I don't want to get into it with a tenant who says "the carpet was stained when I moved in" or whatever they have to say.

Their initial rehab was obviously shoddy, and many corners were cut.There are also a few flags waving such as: only a few small spots in the basement painted (were they hiding water stains or cracks in wall and foundation?)

The adhesive may actually stain the floor, requiring sections to be replaced with matching wood before sanding.

I tore it up and there were original hard wood floors from 1939 which had never even been sanded or stained.