I am curious if a scope of work that contains "refinish hardwood floor"  is ambiguous and thus open for a variety of interpretations.My understanding going in was that the phrase "refinish hardwood floor" involves sanding the hardwood floor flat, probably using a drum sander, often, but not always staining the floor, and then finishing it with multiple coats of polyurethane.

Likewise any good flooring company will quote you on new carpet or hardwood.

If I take out a home equity line on it up to 80%, if possible, I will need to hold it and the holding costs will be $6000.00 per year ( electric, water, insurance, taxes, maintenance ) If I rent it, the renter might tear up $6000.00 worth of stuff in a year putting holes in the walls for pictures, damaging hardwood floors and carpet, overflowing the toilets, etc.

It is an engineered hardwood floor. 

The same is true with hardwood floors.In Indianapolis, our local housing agency actually values the house at a higher rate when they are looking at comp rental rates in the neighborhood.

The house has freshly refinished hardwood floors and tile in the kitchen.

Less than a year old Metal Roof, Fresh Paint on the outside, less than a year old 2.5 ton unit outside, enclosed porch with tile, hardwood floors throughout the house and a so so kitchen that could use some updating.

Broke their little hearts when I told them they weren't getting a four bedroom, two bath house with new appliances and finished hardwood floors for $500 a month.Gail

Carpet over existing hardwood...

Subway tiles Dark grout (hides dirt )Hardwood floors.