I understand ratings are somewhat subjective and neighborhoods are also changing, but wanted to see if people who had worked with this company generally find their neighborhood classifications accurate?

Ask your accountant to lay this out for you and what you need to do to qualify and benefit from this classification.

At the least, you should have a classification folder with multiple sections (say 5) for each property and one for each tenant. 

Does that only mean Real Estate Agent, or can a Mortgage Guy be included in that classification. 

Does that only mean Real Estate Agent, or can a Mortgage Guy be included in that classification.

Buying houses (I mean, merchandise) for flips fit that description hence classification of being a real estate dealer and subject to the self employment tax.

There is no accepted classification that I know of, as to tenants, I can see basic loan assumptions being made, unqualified, marginal, qualified, well qualified and strongly or extremely qualified.Just posted in a thread 45K in a C or 55K in an A something like that  around post 65.I can think of 10 clearly defined classifications of neighborhoods, from million dollar golf course types down to 20K depressed areas.

6) Are there any GP's willing to take an aspiring syndicator under their guidance in exchange for the fee that the partner GP would get...I dont even know if that legal...kind of a put your money where your mouth is instead of some 20k dollar mentor class...if that makes since

Like @Eric Greenberg said sometimes the rental license is tied to an ongoing zoning classification or variance and letting it expire could cause you headaches there.

There is Cost Segregation Audit Technique Guide (Publication 5653) that I think @Greg Scott is referring to, and here is a few noteworthy excerpt:"The preparation of cost segregation studies requires knowledge of both the construction process and the tax law involving property classifications for depreciation purposes.