The toilet and bathtub/shower must be in a room that is ventilated, and that allows for privacy.j) A kitchen with a sink, which cannot be made of an absorbent material (for example, wood).k) Natural lighting in every room through windows or skylights.

is it possible to add a skylight somehow too?  

Commercial tenant had damage from a skylight which went unrepaired for some time.

They are all flat top row houses with skylights.

Some of the things they are doing is painting, carpet replacement, replacing a skylight, counters, and putting in new tile in the kitchen.  

(modular - in park)2bd/2ba, den/office, living room w/skylight, kitchen has lots of cabinets w/sliding shelves, master w/ walk-in closet & garden..... $218,900This Home Features: Spacious Living Room Entrance, Two Bedrooms, Two Bathrooms, Den/Office could be used as Third Bedroom, Master Bedroom has Large Walk-in Closet & Built-in Dresser, Master Bathroom w/ Garden Tub & Separate Shower Stall, Beautiful Stained Glass Windows in Master Bath & Kitchen, Large Living Room w/ Skylight, Sun Room could be used for Arts/Crafts/Workshop, Large Kitchen w/ lots of Cabinets, some w/ Sliding Shelves, Other Kitchen Features include Refrigerator, Range, Dishwasher, & Triple Sink, Separate Dining Room, Security Front Door & Windows, 2.5 Car Attached Garage...$218,900Absolutely Gorgeous!

The roof is currently leaking around 2 sky lights, which I would want to take out and fill the holes to eliminate future leaks.

He is now stating the roof is leaking around a skylight (which it probably is) and he wants carpet and paint.

.~1,085 sq. ft-64k (asking was 69.9)-2 beds, 1.5 bath (converted from 3 beds and going back to 3 beds)- 1 car garage, car port and a shed in the backmajor work - roof, skylight, paint cabinets, countertop, kitchen floors, bath update, put up a wall for a 3rd bedroom. maybe refinish the hardwood - budget?

The kitchen had skylights, his and her refrigerators, and central vaccuum!