So, government will seek the most efficient avenues in an economy.

If these were "hard laws", most home improvement stores wouldn't exist.

Finally, the buyer has agreed to purchase this property "as is" with no provisions for the seller to further improve the property.

If you are digging a ditch, would you agree the employer prefers an efficient employee who has pride in the work done over the employee who just marginally gets it done sooner or later?

Without a formal inspection, it would be difficult to know how much capital improvements are required to get renters in ASAP.Even if the $500 number for the rent above is correct, but there are $50,000 in capital improvements needed to make it habitable, there are many investors that will quickly walk away.Just a couple thoughts.

If the lease doesn't cover tenant improvements, what protection can be developed for the buyer?

If not, improve them...that is where you start, otherwise, here is a thought to consider:Where are you going to live when you move to FL?

Is it a permit to develop the land, put in the off site improvements (utilities, curb, gutter, sidewalks, etc.).

You have to talk about the benefits to them, how this solution will solve their real estate problems, fast and efficiently.

There are many that feel condos and townhouses are not great for fix and flips for variety of reasons: higher holding costs (hoa), limitations in improvements due to restrictions from hoa, could make you submit insurance, license, etc.