Golf cart license are being restricted due to to many people, sinking foundations- either to close to unrestored sea walls or not enough pilings or fill dirt not allowed to compact, off grid experience, check on sewer and water infrastructure- when the water pump went out, the island shut down, the islands systems are being overloaded, what type of experience and thus rental rates are you shooting for?  

At age ten, I walked half a mile twice a day to fill a 5-gallon water jug and carry it back home because we didn't have running water.

For the Northeast, your average remediation would be between $10,000 - $20,000 for a small scale, but if it's been sitting, it could be worse.Your biggest worries with an oil spill from a tank and remediation are two things:1. is there a water source that it hits.

I did take an extra day between my last guests because we had to swap out a water heater and do some touch up painting.

The length of time the deed takes to get recorded with the county which has also slowed the process of getting the water transferred to my name and 2.

Contractors and new investors are like oil and water.

So the issue im having is This trespasser comes and goes as he pleases to destroy the property but  never stays the night At the property because its CONDEMNED he has cut plumbing lines Gas Lines , cut hardwood flooring broke walls windows removed furnace water heaters etc.

Yeah I think it's a unique opportunity to test waters in short term rentals or "mid-term" rentals with less risk.

In addition the poison causes them to need to drink so for the most part they will leave the building looking for water and die outside.

If you go the wood framing route you will have to rip the joists that sit on the concrete because garage floors are built with a slope (for water runoff).