The list will not be accurate so I would use this as a list of potential sources to investigate. 

This service is their legal notice to appear for a hearing.Locating people, or "skip tracing" is extremely profitable, and you can perform this service for law firms, collection agencies, investigators, individuals etc.Is Skip Tracing/Locating people hard?

These are also good questions to investigate a little further. 

@Patrick Liska expansion and investigative costs are either added to the property basis or are amortized as start up costs.

I mention it just so people respond knowing that I'm a beginner but that I've spent a considerable amount of time trying to learn prior to coming to the forum for information.My post is a bit long so let me state from the outset I'm trying to check my investigation against the experience of people doing this on Oahu.

Feel free to reach out if you want more info on the Baltimore market or need some contacts to investigate more.

I see that Ian has Fund That Flip (now Upright) as his best of breed on his ranking site and I am also investigating Sterling locally. 

The City of Savannah is not playing games and there is a high likelihood you could get busted since they've hired more investigators and there are Savannah citizens dying to out any homeowners not following the rules.  

(C)ScopeSubparagraph (B) shall apply to a person procuring a consumer report on a consumer in connection with the consumer’s application for employment only if—(i)the consumer is applying for a position over which the Secretary of Transportation has the power to establish qualifications and maximum hours of service pursuant to the provisions of section 31502 of title 49, or a position subject to safety regulation by a State transportation agency; and(ii)as of the time at which the person procures the report or causes the report to be procured the only interaction between the consumer and the person in connection with that employment application has been by mail, telephone, computer, or other similar means.(4)Exception for national security investigations(A)In generalIn the case of an agency or department of the United States Government which seeks to obtain and use a consumer report for employment purposes, paragraph (3) shall not apply to any adverse action by such agency or department which is based in part on such consumer report, if the head of such agency or department makes a written finding that—(i)the consumer report is relevant to a national security investigation of such agency or department;(ii)the investigation is within the jurisdiction of such agency or department;(iii)there is reason to believe that compliance with paragraph (3) will—(I)endanger the life or physical safety of any person;(II)result in flight from prosecution;(III)result in the destruction of, or tampering with, evidence relevant to the investigation;(IV)result in the intimidation of a potential witness relevant to the investigation;(V)result in the compromise of classified information; or(VI)otherwise seriously jeopardize or unduly delay the investigation or another official proceeding.

The only thing I'm not 100% sure and still doing investigation on is in form 8582, how to handle the fact that some properties were on previous year's 8582, but this year they become owned by a LLC, which is a separate line.