Institutional lenders have boatloads of people who do nothing but work on compliance. 

I’m going to use any means possible to screen tenants how I want while still being in “fundamental” compliance.

., many of the laws and regulations around mortgages (especially, residential) have changed as a result of the last crisis (trust me, I work in compliance at a large bank).

Landlords - legals fees, fines and penalties due to non compliance, and costs to arrive at compliancy.2.

(c) If the court determines that the tenant’s inability to stay current on the rent is the result of increased costs in household necessities or decreased household earnings due to the COVID-19 virus and the court finds that it would not be an material economic hardship to the plaintiff and if the court determines that no cause exists after review of a timely response from the plaintiff, then the court shall make the following order:(1) The tenant shall remain in possession.(2) The rent for the rental property at issue shall be reduced by 25 percent for the next 12-month period.(3) The tenant shall make monthly payments to the landlord beginning in the next calendar month, in strict compliance with all of the following terms:(A) The payment shall be in the amount of the monthly rent as adjusted pursuant to paragraph (2), plus 10 percent of the unpaid rent owing at the time of the order, excluding late fees, court costs, attorneys fees, and any other charge other than rent.

Ask them for proof of e.g. rental registrations, so that you know you are in compliance.

-Hotel Design & Architecture Groups - handle design, architecture,  PIP review, ADA compliance, potentially procurement.  

As more and more clients ask me to recommend property managers for their SFH, Duplex and Fourplex properties, I'm updating my due diligence checklist when comes to what to ask a property management provider:Here are some of the questions I have:Preliminary (Time in business):Operations (Geographical Footprint Of Properties Managed)Preliminary (Credentials / Associations Involved In)Operations (Number Of Rental Properties Managed)Operations (Property Type Managed and Percentage Breakdown Of Each)Preliminary (Personally Invest In Properties Managed)Legal Compliance With Fair HousingLegal (Insurance Carried)Legal (Contract Terms and Cancellation Policy)Legal (Company Sample)Operations (Managers / Staff Employed)Sales (Rental Price Determination)Sales (Vacancy Fees)Sales (Management Monthly Fees)Sales (Company Cancellation Fees)Sales (Miscellaneous Fees - Marketing, Cleaning etc)Operations Specific (Marketing To Good Tenant Base)Operations Specific (Tenant Income Requirements)Legal (Eviction Timeline - When Does It Start?)

Still check your local housing laws to be in compliance, but that should be all you need.

One con of the suburbs is that they also don't allow non-conforming dwelling units since they have City compliance inspections, while Chicago does not.