Also, check the BBB site and there are over 65 complaints, of which many are as recent as the past 2 months.

Any site developers here to discuss that? 

My model projects these can be without private or individual site water, power, bathrooms, and/ or wifi and still be worthy investments. 

For example, if you are doing a rental arbitrage model and paying 1000 in rent 300 in utilities I would at least double this to make a profit cover depreciation of the furnishings and leave some extra breathing room just in case.

(Our ROI is greatly enhanced by the fact that we are receiving 10% interest on the $615,000 while paying out 4%).3.

A lender would require you to have this done, but if you are paying cash, nobody will force you to protect yourself.Third Party Reports: $17KSurvey $2KTitle Recording and Search $5KAttorney Fees ? 

Whether they are ones you negotiate for them to pay or ones you pay for out of your pocket.

I sell houses all the time by just listing them on Zillow, so don't think you need to pay a listing agent and if the buyer doesn't drag their realtor into the mix, you might not need to pay a buyers agent either.

Does anyone has any knowledge on how and or where a retail investor can go to invest in assets that pay a royalty?

Think 5nights a weekx4hrs let's say 6-10pm waiting tables, or driving Uber or if you have the skills something that pays way better.