For example Hospitable has a option for this through there direct bookings payout sections but it is only for specific states.

.: I'm looking into alternative ways to sell a rundown house for my parents.

While some folks may not change the way they underwrite from one type of property to another, what specific property are you interested in, SF, 2-4 MF, or 5+ MF? 

It focuses specifically on broker commissions and cash flow forecasting, so you’ll get exactly what you need if you’re in that space.If your portfolio is on the larger side, LoanPro might be worth exploring.

Beverly can you be more specific on what kind of messages does it send the tenants?

Financing might be a challenge.I would recommend consulting with a attorney, loan officer, and CPA to discuss your specific situation and determine the best course of action. 

At over 4000 sq ft, I'm surprised you won't be able to list for a much higher number to net a decent profit, but without knowing more specifics on the house and location, I am speculating here. 

If you have specific questions about property management, I'll be happy to help!

Specifically I think a lot about the smells that travel through the duct work between the units.

That said, if you have a very specific issue, please contact support@biggerpockets and perhaps they can assist you.