Now the value set be appraisers typically is coming in between $50k and $100k   I invite you to search BP or create a post determining values that appraisers are giving to ADUs.  

Our biggest climate risks in central Texas are typically wind and hail, so anything of concern regarding the roof could get an applicant declined including trees too close to the roof surface, roof over 10 years old, etc.

Typically the quality of applicants in the winter months drops substantially as well. 

In addition to that, though, there's several other LTR markets that offer pretty decent returns (6-8% ROI with $250+ cash flow per door is possible) for what you typically see in Florida, without accounting for appreciation

If you are buying in a LLC there is typically a loan agreement and personal guarantee that is common

A typical five-piece surround is held together with glue and caulk, and without maintenance, it will fall apart and just cause you more problems.Instead, go ahead with a two-piece surround or even a tile surround.

Also be aware that cash out refinances typically have slightly higher rates than initial purchases or just rate and term refinances.

To streamline design choices, create a design guide or "mood board" beforehand to stay consistent with finishes that match the neighborhood's expectations.For monitoring progress, a property manager can sometimes oversee construction, but it’s typically better to rely on the GC for updates.

Yes, typically for accredited investors only (although they often accept up to 100 investors).I have seen a rare TIC based one and yes...more typically DST.

These are really questions for your attorney - the more typical scenario for a jv like this is you have a new LLC where you are the manager of the LLC and the investor also owns a percentage of it.that way you don't have to deal with transferring it etc.