The if is the challenge as ground up ADUs typically cost more. 

To say the past few months since the storms hit have been challenging would be an understatement.

I recognize that the cost benefit may be negated by other challenges; hence, my question.

Eventually it becomes second nature.

If you are struggling to make the numbers work, then it is likely not a deal to pursue.Our biggest challenge in the New Orleans area is the cost of insurance.

Our biggest challenge is that we are not over 55+ and we would prefer to invest our money in the villages itself.

Are there specific zoning or structural challenges in Florida I should be aware of?

My pleasure @Scott Rankin, looking forward to bringing everyone together to speak about some of the challenges that @Mark Miles brought up along with all the terrific benefits of investing in smaller markets has to offer. 

Challenges?

The challenge is I don't where you are but how is the soil?