I'm wondering if anyone knows of any realtors in the Oklahoma City area who have a background in home construction or repair and are able to approach it through that lens to help identify all problems as early as possible to help with negotiations? 

Go to VRBO and AirBNB in an area you are interested in and search the properties.

I'm sure there are others I'm not remembering,  these are just the areas I'm at least somewhat interested in which I know have done things.  

Does anyone have a recommendation for a great interior designer in the Denver area who furnishes Airbnbs? 

I'd be happy to make any introductions to help build your team here in area, and plug you in to any of the meetups. 

I haven't noticed any services that handle appealing property tax assessments in the Bay Area here.

How do you identify an agent that has successfully negotiated steep discounts on New Builds in the Orlando/Daytona Beach area? 

There are a lot of bait and switch type lenders in this space since it's unregulated. 

What would you say are the biggest advantages of developing a solid core-4 vs. a more established turnkey company that are a few clicks?

As a result, it is much easier to talk about which areas you may want to avoid.The East side and near the Fair Grounds are commonly considered rougher areas.