Use 2x4s nailed to the floor at 45 degree angles against the doors.

This report identifies things like nail size, nail spacing, extra hurricane tie down, etc. and qualifies you for a corresponding discount on the hurricane portion of your premium.

You would need to nail down the rental rate. 

The number one thing I tell any aspiring note investors is that you really need to nail down the value of the underlying asset.  

@Frank Wolter You hit the nail on the head.

I also have a lot nail pops and small blemishes.

@Kon Zel, none of that changed so it is indeed just as @Paul Caputo nailed it. 

Had to fight tooth and nail to allow some existing stuff to be ok as is.

The good news is that if you get the roof done correctly with the extra nail, your insurance will likely be significantly lower.

What @Ashish Acharya nailed as the issue is that the contribution of that property after the exchange into a disregarded LLC (one member - your tax return and doesn't file it's own tax return) is perfectly fine.