Quick question, is there a specific website for the military family rental?

Investors should prioritize the operator and their track record first, then look at the market and specific deals themselves.

I know that DFW and TX in general is booming and have great underlying fundamentals with population growth, however I am specifically interested in understanding perspectives as to whether or not South Dallas would be considered a "path of progress". 

However, in many cases you likely won't be able to obtain by-laws until you are under contract.I would have your attorney include a specific "HOA" rider in the contract for this exact reason- It basically would require that you have ample time to review the governing docs of the HOA, such as master deed, current by-laws, current year’s budget, and last two years of audited financial statements, association meeting minutes, etc. 

A CPA who's familiar with your books would be able to answer your questions in a more specific way.

We aim to have a spread of at least 10% ARV so if we know we can sell in a specific area at 75% ARV - repairs, our MAO would be 65% ARV - repairs. 

It depends on your targeted clientele. 

I dont know your specific market at all but here are a few tips. 1.

Provide detailed specifications and ask for itemised estimates.

Specifically, I'm a house hacker in Denver and looking to contribute to a personal growth community.