It is highly specific, my recommendation is to contact the city directly with qualifying questions or have us do it for you :) In general Astoria is also a No-Go with the exception of commercially zoned properties.

We are now at 21 doors under management and 3 are personal units that we self manage.

As far as self managing, it’s fairly easy.

Sounds like strategy call would make most sense to see what your goals are with REI and being an agent to determine if the organization I represent aligns with the direction you are looking to go. 

Curious how our self-managed 3-unit STR/MTR performs with industry expectations.

On a go forward basis, I would not own real estate within an IRA.

District South has a priceless location that backs up directly to the famous Nickel Plate Trail."

This means the IRS will treat the LLC as if you and your wife still own the property directly, maintaining the continuity of ownership for tax purposes.

Also, only one exit/entrance that is directly next to the other unit upstairs.

Oil and gas wouldn't be what it is without the government taking on much of the risk through the intangible drilling costs tax credit, and the depletion allowance act deductions, and literally hundreds of other tax benefits, loopholes and direct subsidies plus the fact they have access to public land to be drilled for pennies on the dollar, and the government cleans it up once they're done.