More than standard among design professionals- Architects and Engineers. 

At this point regardless of price point a cost segregation should be a full engineered study through a reputable firm. 

Funds are beginning to run extremely tight.   

An additional benefit of a detailed engineering-based Cost Segregation Study is that it can increase potential insurance premium savings as well as provide support for the property tax appeals process.

Hey Drew, get yourself an engineer to provide you with a report on the current conditions and the repairs needed.

Is there a point of contact person/business that handles all home investor concerns (general contractor, engineer, etc.)

The thought behind this is that the water/rain/ etc runs away from the house and doesn't sit and saturate the solid. 

Your engineer should identify most issues.4.  

I have moonlighted for several Architects and through hard work and good fortune stumbled on an opportunity to become an apprentice electrical engineer. 10 years later I am a senior engineer, together with my wife, have a decent portfolio of Real Estate.

You're netting $5k/mo and have no cash available and you're working a civil engineering job?