By now i believe i have good comprehensive list of what i need to consider from the Civil engg, permits, estimates, approvals, testing, etc.. all the things that will take place during due diligence time.

This is a good resource and overview of how you should be thinking regarding your finances and how your money could/should be working for you. 

next time you buy you can purchase something like service line protection to protect unexpected event from sewer issue , NREIG has the product for examplehttps://nreig.com/products-overview/service-line-insurance/

DP3 (Special Form) is a lot more comprehensive and more expensive.

https://www.nolo.com/legal-encyclopedia/overview-landlord-te...and you can also find a complete list of laws from the state site here... https://leg.colorado.gov/bill-search?

I am reaching out with a question regarding FHA loans for house hacking and would appreciate your valuable insights on potential lenders.Allow me to provide a more detailed overview of my situation.

If you have worked personally with these individuals, please PM me with a brief overview of your project and experience.

Please, PLEASE, don't make me have to do it myself and post up a comprehensive list for BP!

Comps are best done from the mls or if you have access to the county records data even better (since it will have all properties sold even if they did not sell by an agent...more comprehensive).  

Its pretty comprehensive report.Good luck.