Zillow, Redfin, and public records all confirm that.

I feel like I am reading that you really need an additional policy that is designed for short term rentals (I know that my homeowners policy will not cover any STR related claims), but why is that the case if I have the AirBnB insurance at my disposal?

Speak with your attorney on this and confirm you are even able to do it and enforce it.

I appreciate the confirmation that I use my docs, my vendors to ensure the safety of my principle and the accuracy of the numbers in the deal (appraisal, rehab, ARV). 

Can anyone tell me, if Maria does not designate a new property ( or properties) for the 1031 exchange, within 45 days after selling her existing one, does she still need to pay any fees to the 1031 exchange company ? 

This is a type of capital gain taxed up to 25% at the federal level and not excludable under Sec 121.(5) If you rented the property before it was your residence, the math gets complicated.Make sure to confirm everything with your tax professional. 

You could also try to change the structure of the lease with a base rent plus bonus rent to landlord with annual sales over a certain gross number.Remember there is the location quality itself, the building design and quality of construction fit and finish, the parcel layout and parking ratios, any junior or large back anchors close by, the sightlines, the access, the traffic counts, and on , and on for valuation.

I currently work in Land Development design and Consulting.

I'm a sucker for older homes (modern homes lack the charm and craftsmanship) and absolutely love interior design (I've gotta thank my mom for that, she's got great taste).

It starts with a self-directed IRA held by a custodian, but the IRA simply makes one investment into a specially designed LLC entity.