I would say to get insurance for it, the environmental studies, etc. as needed to cover yourself and truly assess the risk.

Plus it's cleaner, does not need the maintenance a boiler or furnace does, and (this is debatable) is better for environmental reasons.

If it's because of infrastructure (like septic for instance) then you may have to hire an environmental company to come and clean up.

They can help you navigate any legal or financial complexities that may arise and provide you with valuable insights on how to structure the deal in a way that works best for you and your family.Additionally, make sure to do your due diligence and research the property thoroughly, including any zoning or environmental issues that could potentially impact the deal.

Certainly there is also a market for environmentally conscious renters too.

Environmental/Hazardous Materials reports and studies (if available).

The only marinas out there that will be for sale are either way overpriced due to massaging of the paperwork or or in some type of an environmental let's call it " mix up".  

SBA fees sometimes change, so I would want to verify current fees with a CDC.You have to take in other closing costs, like appraisal, environmental, title insurance, attorney.

Here my thoughts ultimately, for a single family full gut rehab on a 6-8 time table (environmental court).

Reports such as geotechnical, arborist, environmental, traffic study, etc.