There are major technical enablers being developed in the IT and tech industries that can help improve these issues, i.e. advances in cloud processing and language standards (xAPI, being the primary enabler). 

That way if we start with paintball, it is on the least desirable portion of land and would allow simultaneous development of storage, commercial space, or whatever else looks promising on the part with road frontage.

You need to hire a QI immediately.Also, the timeline is to identify the replacement property within 45 days (which includes day of closing).

One must develop a comprehensive discipline for analysis and negotiations to help ensure their success in this niche. 

Property management should be left to those who are qualified in this arena, or to property owners who are willing to develop the skills necessary to do the job properly themselves.

I was/am involved in the development of a roughly 5 acre parcel on Kauai. 

They typically only remain bad if you allow them to remain bad.I don't recommend software until you have at least 20 units and you can identify ways software can help you.

Once the property is developed, and becomes a business with demonstrable cash flow, the value goes up again.

They are already getting a development fee.

I am also a developer, finishing my first two houses in just a couple weeks.