As you scale up your airbnb (short term rental) business, look into tools like beyondpricing.com for revenue management and guesty.com for calendar/guest management.

The county tax assessor/collector's office.

In a jurisdiction where you can set policies to preclude having your unit approved by the welfare office it is a no brainer to simply avoid renting to S8. 

But state laws govern insurance, and agents knowledgeable of local conditions is important.I worked in an small insurance company once, with a brokerage in the same office.

For a new tenant you want to rent to, it requires you to complete paperwork and have tenant sign it and then submit to housing office.

You can buy Quit Claim paperwork from an office store and fill it out yourself if you feel comfortable getting all the information correct like lot identifiers and such.

But what about a loan officer?

The bigger upside than cash flow is actually appreciation...not from market appreciation but by increasing revenue and NOI and making improvements.

And despite what some brokers will allow in their specific office, in Kansas and Missouri real estate agents and brokers can wholesale if they want to as long as they follow the law and their broker will allow it.

This is more common among family offices and private equity firms.