Usually I have to point out that you need more art for color but BAM baby, plenty of stuff to look at.

You might consider changing the header/navigation color scheme to blue and use red as an accent and for your buttons.

@Aaron Wyssmann  & @Karen Margrave  Since you guys have experience in developing and contracting, if you have any other advice as to how I can show my value and contribute (and how i cannot contribute by interfering on preferences of paint colors :)) so he sees value in this relationship so it can pave the way for more opportunities down the road, I would greatly appreciate any input on that as well.  

Is it crazy to build an attic that can house the AC ducts or is there another way?

I like the paint color you chose for the exterior.

In fact, based on my experience, the more complex a system is, the more likely it is to break.Contractors & handymen - All important details should be put in writing, such as the start date, duration, paint brand and colors, materials included, necessary permits, and more.

After the poly dries I believe you're supposed to go over again with a fine 220 grit.A cheaper, quicker fix is to paint the floors with the color of your choice or put down laminate. 

This past year we did a lot of grey and white color schemes for our rehabs but we noticed a slow down in sales with these properties.

Does it matter to you, if your the seller, what color the armored truck is that drops off your giant pile of cash?

See German roaches go from one home until it is uninhabitable then will go through the ducts and other paths to anywhere they can find a new home.