When I sell/ flip I actually provide a " warranty" if there is a major issue, I will cover the cost.  

Which would effectively reduce finance cost.And allows for other options such as offered by ROCusa.org (Resident Owned Communities).https://rocusa.org/whats-a-roc/what-is-a-roc-how-is-it-diffe...Together these options allow the residence to keep their costs within their own control, and continue to live where they are. 

Nearly 1/3 of every dollar spent for development goes to regulatory costs.

It will end up costing you unless you're already a skilled contractor type individual.Get to know your neighbors that maybe around your property, especially if you're in a HOA situation where there's a mix of STRs and residential properties.

I have been investigating having cost segregation studies done to two STR investments I own.

The latest Cost vs.

And certainly park owners could and should share in some of the costs in this type of venture. 

I would take it a step further if you can and join a Mastermind group, cost is fairly low, but you get so much knowledge and meet so many investors that are doing all sorts of deals.

Property is cheap and the numbers look good on paper, but I think reality hits a lot of people like a sledgehammer with turnover costs, vacancies, problematic renters, maintenance, etc.

Below is my high level numbers -Property cost: 500k - 600k, Rehab cost - 100k - 150k, so total project cost: 600k - 750k.Please let me know your thoughts.