You've identified the hot buttons for due diligence. 

Yes an architect should be able to identify any code deficiencies that would need to be corrected in your kitchen & bath.

Most have already identified the key issues: does the PPM comply with federal and/or state securities requirements, what level of investor due diligence are you looking for on the PPM issuer/syndication, what level of due diligence do you want on the underlying real property?

Either you or your friend can identify through BiggerPockets or by google a local realtor, a local contractor and a local property management company. 

Identifying your goals can help you identify your markets and class.

Have you identified areas where you can grow income and reduce expenses? 

The comps in the area are tricky to identify, but hopefully our analysis is right. 

I am starting to understand that Property Management companies are generally not solving the problems of Real Estate Investors.My question to the community here is what is the most critical consideration when 1) choosing a property management company, 2) electing to go/stay self-managed, and 3) what is the most painful issue(s) you have with property management companies.I am looking to identify solutions to such issues and coach these companies on such solutions to garner a stronger Real Estate Investor portfolio.

you could always call the cops and tell them you have someone you suspect is/used a fraudulent ID, and that you want the people in your house identified.. ? 

Moving in we developed a solid strategy for single family homes that we try to acquire and BRRRR.First thing is to identify a couple markets.