It seems one of the requirements that a building be stabilized is that it has 6 or more units. 

Mortgage Interest Deduction: You can deduct the interest paid on a mortgage used to buy, build, or improve your home.4.

So far I like what I've heard on podcasts about these build-to-rent properties and would love to hear from anyone who has dealt with them and their FL properties. 

i.e if someone gets bit from a dog living in my building, am I more liable if that dog is a 50lb pitbull than if it is a 15lb yorkie?

So are lease options ok if it’s a commercial building in Texas?

I recommend to "navigate the turbulence" in your market do a deep dive on rent trends over the last 15 years. 

About 1.5 years ago, I purchased (conventional loan) and have been living in a 3x3.5 townhouse with a family member (brother) in a first attempt to start building equity through a house hack/BRRR strategy. 

yes of course you have to build above flood plains to even build in miami and most of the city lots are non flood plain lots that have been built on previously. even if they were you can build above the flood plain and pull it out of the flood plain once it is constructed depending on the parcel 

I have a tenant that is refusing to pay the last two months of rent.

The entire building will make this unusual humming sound from between the walls.