I will mention that a hot tub could really increase the frequency of bookings. 

Affordable housing is RED-hot at this time, especially if it's decent 3br+ housing sub $2k.   

On the RE side - I own/developed 2,000 residential units across the United States focusing on opportunistic residential acquisitions and development, including student housing conversions and luxury multifamily development.On the startup side - it is a third-party guarantor platform that expands your renter pool, increases rents and occupancy, and ultimately boosts your NOI while broadening affordable housing options for renters.

When you live in that duplex for 2 years and then sell you'll be able to take 50% of the profit tax free (the allocation for the side you lived in). 

Roof lines, window styles, and masonry/siding all play into this natural flow, and the biggest mistake you can make when designing your flips is not following the flow that is already present!

Are you looking to househack or rent both sides out? 

There is ALWAYS a demand for ocean-side properties in FL, and these are not only retirees.

It is extremely hard to find programs for 0 experience simply on the 1-4 unit side of ground up construction. 

We have been in real estate for over 15 years, on the rental side we have owned up to 50 doors.

Eg roof and siding on one, all new paint and countops.