Adding a walk in closet to to lower bedroom that will most likely be a guest bedroom or a child's room, wont do anything for the salability or marketablity of the property.With a home of this size you want to sell life style and comfort more than anything else.

Seeing that it was a dealership, I am assuming a car dealer here, but regardless you may have an environmental issue on your hands. 

A. to learn as much as possible about the buyer's needsB. have five appointments ready to show  the buyerC. to insist that you are the perfect salesperson to work with the buyerD. to find a property for the buyer6.which housing style displeases some critics because of its mix and match look that they say is oversized, pretentious, and without style?

That all depends on your personal investing style.

From area and price range of the home, all the way to style and if you are looking to flip or hold.The key is to not be a secret if you are looking to invest, network, network, network. 

The remediation company will not give an absolute move out recommendation, because they refer to a third party company for environmental assessment (minimum 300-1200 not covered by insurance), but the tech has indicated it would be a good idea for them to move out for 5-7 days.  

& that is exactly why we rarely have any downtime & we have been doing this a LONG time.In fact one 1970's style SFH was shown & taken with all deposits BEFORE the rehab (pic below) was complete. 

Style Selections" in 3' long "planks".

. :-) How is this style of prequalifying working for you?

Some use the Life Styles Unlimited contracts which has that included into the contract.