The couple's current rent is similar to ours The sister is has no rental history due to a recent divorce.We're torn given 2 out of the 3 people have lower credit scores and it's not a family moving in.

As someone who did something very similar to this for the last 2 years - rented out my 2nd private bedroom and bathroom in my apartment (rental) furnished to traveling professionals and medical students - I think it's a great idea! 

Similarly, if you put several Class D tenants in a Class A 4-plex, what do you think will happen to the property?

Quote from @Sean McDowell: Quote from @Jay Hinrichs: Quote from @Mackay Oakey: Have other states taken similar actions yet?

@ericjones I have heard to something similar to which you are speaking.

My designer just did a similar size refresh for $1500 fee and $2500 in materials. 

I'd love to hear some more savvy investor's thoughts on Ohio, or a similar market. 

A similar statement is repeated here: https://www.irs.gov/businesses... 

Similarly, if you put several Class D tenants in a Class A 4-plex, what do you think will happen to the property?

.: That sounds very similar to how I operate.