I'm going to assume that the developer legally established an HOA and recorded articles of incorporation, governing documents (CC&Rs) etc.

Too much big government/regulation for me, not business owner friendly. 

I'm willing to sacrifice my time, body, friends, and sadly, family as I work to save up for my first purchase.

In my area you dont have to be a GC to buold your personal home.Find a local bank to work with on construction loan (I would suggest you get a account for that bank and donuts always help) Get a list of your area governing body on what is needed to be submitted for approval.

What's different are the LLC governing docs and how it's structured.

The right to lien a property is usually governed by State Statute.

You can also look into a SEP IRA which would still allow you to invest in your government TSP program (up to $18k) and up to $53k into the SEP IRA.  

Once certain terms of the note are changed such as maturity date, balance or an increase in payment the modification is considered a new extension of credit and is subject to certain regulations which govern the extension of credit.- The creation of a new "note" would mean the satisfaction and release of the prior security instrument.  

Hello, was curious if turning a HUD property into a Section 8 rental would qualify as a "Government Agency"

While I can't say for your state specifically, as a general rule, commercial leases are governed by the contract.