No way to accurately answer without knowing what state this is in because laws regarding HOAs vary so much by state. 

The formula for analyzing comps for an accurate house value is a discussion in itself.I know it's tempting to use those sites because investors typically get held up trying to get a realtor to run their comps.

.), ]  age building (year of the most recent updates to roof, electric, plumbing, heat can help on old buildings),   limit for the value of the building,   whether it is Replacement Cost or Actual Cash Value (RC vs ACV), size of the deductible,   claims history of the property,  etc.You should get an individual quote for the most accurate rate.

Below is the formula that I plan on using:MAO = ARV - Repairs - Fixed Costs - Profit - Wholesale FeeWhat I need is someone who is willing to show me exactly how to estimate ARV, repair costs, and fixed costs so that I can accurately determine the price for both the buyer and seller. 

Also make sure you have quotes from insurance agents to make sure that number is accurate. 

What are some good strategies to get accurate utility costs, vacancy rates, and insurance estimates so that you can calculate NOI and cash flow to take to the bank for loan approval?

Market knowledge, accurate planning, humbleness....are all qualities needed for long term success.  

I wasn't holding out much hope for a resource with accurate data on it but I had to ask.

Is your unit so difficult to rent that you are willing to take the risk or are you just desperate and willing to gamble on a very long shot.My advice is keep looking.

It's a 410 Shotgun shell, much more accurate than a pistol cartridge.