In the offer we had in our area, the stairs was included.

Refinish with heavy Polyurethane or carpeting or interlocking floors. 3 bed and living room and dining room and stairs. 

There are certainly worse things than knowing good carpenters, plumbers, & cement guys. 

No question; fix the driveway.Use fiber reinforced concrete and it will last longer with 6" of concrete vs the 4" thickness, which is usual.Barry the resident from driving his vehicle on the new cement for 14 days.

I'm not going the turn key route so I would be responsible for the following GC work; Site work, foundation install, furnace/boilers install, water tank, septic, connect plumbing, install panel boxes (panel boxes provided by modular company) and connect power, interior flooring, appliances, complete the siding/roof (15%) as it is delivered 85% complete, landscaping, front porch, final coat of paint inside (comes primed), 2x stair sets to the basement.My question, do you think the $94 a square foot is high? 

http://www.seattle.gov/transportation/projects-and-programs/programs/bridges-stairs-and-other-structures/bridges/west-seattle-high-rise-bridge-safety-projectThanks for this link, I'll check it out.

Is access walk in to hallway to get to interior doors or you walk stairs from outside to get interior access for units??

Later on, if you are planning to move to another house, you can rent the upper stairs and downstairs to two separate families which will help you getting more cash flow.

So, while a contract can be a simple agreement between motivated parties to get to closing, it depends on what strategy or options you might use making your contract the cement holding your business together.

Disclosure: "Property may cause tenants to do back bends and crawl up and down stairs, 360 degree head spins, and throw up pea soup.