My real estate coach ended up referring me to Eric Trost at SVA, Brookfield, WI--he reviewed my previous year's tax return and filed an amendment in which I received $5500 back.

You may wish to confirm that the new 401k provider will handle the ongoing compliance support such as any required 5500 filing (e.g. 5500-EZ for a one-participant plan with assets in excess of $250,000), any required tax reporting (e.g. 1099-r in the event of a distribution or in-plan Roth conversion), mandatory plan updates and amendments, etc.4.

I've asked her to please sign and that I'd be glad to amend that portion of the lease if only to have something binding and she has not responded.  

Let's just say I've had my taxes amended twice already for simple errors.

If additional services/products are needed that have not been discussed or approved in thiscontract, property manager has the right to amend contract and add additional fees. 3.

You need the lender's underwriter to approve your plan which would be typed as and amendment, the contractor may need to be vetted (license), this needs to be done AFTER the appraisal is completed so Underwriter can see what you are paying contractor for. 

The inspector didn't mention, but can I apply for a minor variance or zoning amendment instead of removing my tenant?

I will be amending my strategy to include some of the eastern suburbs (Mesquite/Garland).

However, from the sounds of it you would like to keep him in there and amend the lease agreement currently in place.

Property Tax increases:   According to Adam Schuster (June 15, 2022) amendment 1 would guarantee a $2,149 tax increase for the typical Illinois family.