And you're right, it moves fast when the value-creation chain is created on both sides of the transaction.

They will help you clear any clouds on the title and know whether you can close in "7 days" as offered to the seller.

That tenant is gone now but it is something I go over on occupancy as unacceptable. 

Upon further review, there is 1 active Type 2 STR permit on this blockface prior to your STR application submittal, but a system glitch did not capture it on the OneStopMap.

However if you had done a warranty deed (or a special warranty deed if you still have a mortgage on it) instead, your LLC has a claim against you for the issue on the title, and you in turn can go back to your initial title insurance to fix it.Some title insurance will allow to transfer the coverage to an LLC that you own 100%, but not all of them do or they may require an additional fee.

There are quite a number of things that can make utilizing an FHA loan more difficult such as more barriers during appraisal, appearance of low qualification/little cash, typically longer closing period, likely higher interest rate, and PMI cannot be dropped without a refinance if 3.5% down.That said, just chain 5% down conventional loans, and make sure your duplexes pay for themselves.  

The 10-year treasury is currently sitting at 4.62% as of 1/24/2025 up from 3.73% on 9/13/2024, reflecting a 23.8% increase over the last 4 months (Source).

Hopefully your lawyer also mentioned insurance- title and hazard.A quitclaim deed transfer can hurt your title chain and title insurance. 

What is the security on the above?

Skip the class and go straight to learning on the job.