Louis Airbnb regulations" a bunch of the articles come up, but here is a link to one that I've read: https://news.stlpublicradio.org/post/taxes-spike-dozens-st-louis-airbnb-properties#stream/0

Supply if competition and demand in the area will be needed to look at.

Add separate meters and stop supplying free utilities.

Even with the expense of supplies, paid house cleaning between bookings, and a higher rate insurance; the Airbnb still nets almost double the long term rental did.

So I should check with my county to see about getting a permitted apartment on the property, abide by those regulations, then FHA would recognize the property as a duplex/multiple family or whatever was approved by the county?

Large businesses like ABC Supply CO., Dollar General and Amazon have all relocated to this area.

There are many ways this can work, they can partner with you 50-50 and maybe they supply the cash for the purchase and rehab and you supply the heavy lifting and find the property, hire and managing the contractors.

The logistics of the rules and regulations may make it cost prohibitive unless you actually lived there. 

The sale price of a property is affected by a number of levers including supply and demand, replacement cost, interest rates, the riskiness of an investment, and, most importantly, the amount a buyer is willing to pay to acquire it.

There's some complications when you say you intend to buy a house by have absolutely no funds to actually buy it.In your case, check with your broker on regulations, disclose that you are a realtor, and get the deal done.