I caught my break because of my prior experience in real estate as an agent, as a NASD Registered Representative  (predates FINRA) and insurance rep, anti-fraud background as a manager at UPS and a landscape contractor.  

Most Condo associations and HOAs in Vegas are going to be anti-Airbnb so if there aren't already rules on the books they might be coming up soon.

Bank (which does their own vetting) to comply with anti-money laundering laws, CFPB requirements, Fair Debt Collections, and Gramm-Leach-Bliley regulations.

Department of Housing and Urban Development (HUD) is the federal agency in charge of enforcing housing laws throughout the country, including anti-discrimination laws.

I didn't want to sound "anti-software" but a good accounting system isn't going to be $60, over the years I had thousands in operational software and MAS 90, the program of that day, such isn't necessary for a small investor but folks should ask their accountant which system they suggest for them to use.

If she is unwilling to call 311 or 911 or work with neighborhood anti-crime groups (and just showing up to meetings to complain is not it) maybe she needs to move when her lease is up.

If you find a good one, you should be able to get it back on the market quick and have no problem finding a buyer.FHA 3-month anti-flip rules will really come into play if people are trying to turn over inventory quickly to that 150-250K buyer. 

Spray an anti-slip agent?

With a heavy-handed new law that is the first of its kind in the nation, Seattle has set its regulatory crosshairs on landlords, attempting to police their inner thoughts and eliminate the possibility that their decisions could be motivated by "implicit" or unintended bias.Known as the "first in time" rule, the mandate forces landlords to rent to the first qualified applicant, rather than choosing the best fit from among prospective tenants.Sponsors contended that this unprecedented restriction is needed because traditional anti-discrimination laws do not protect against unconscious prejudices.

Are you trying to assist the implementation/expansion of rent control and anti-landlord sentiment?