Not an all-inclusive list, but will get you on the right framework for analysis.

Let’s take a closer look at the pros and cons of the BRRRR strategy.3 pros of the BRRRR methodEarn passive income: BRRRR provides a repeatable framework for real estate investors to earn steady, passive income.Build equity: Holding onto properties rather than selling them allows BRRRR investors to build equity continuously.Repeatable process: It creates the potential for investors to build wealth exponentially.3 cons of the BRRRR methodNot for beginners: The BRRRR strategy requires a lot of real estate knowledge and experience.

Also, since you are friends, try to come up with an agreed upon general conflict resolution framework.

I think my goal right now is managing property managers in up to three markets so it’s more about setting up the framework for scaling if I ever get to the point where I have an employee. 

Guess I should retire hahaAloha,I am not familiar with Denver's HOA Laws, but here, and in several other states I AM familiar with, the HOA Board, and the Board alone, is ultimately responsible for the framework of how the HOA is operated.

Your analysis is the entire framework for the investment, like a mission statement for the asset.

Make sure you have a set a strong foundational frameworks (Models and numbers with important KPIs) that track and anticipate the performance of your investments.

Do you have any suggestions on books talking about framework around different niches and possibly in-depth talk around the finances and how someone looks at this from a Macro perspective and how a developer determines what's needed in an area the gimme answer is Residential but other niches for example industrial, storage

As you know, the IRS Cost Segregation Audit Techniques Guide provides information regarding the specialization, methodologies, and frameworks one Cost Segregation Preparer should have in order to provide an accurate qualified study.  

4) There is a complex and ever-changing regulatory framework you need to stay abreast of.