It sounds like the area is perfect for a rental, so I would see how long they will stay in the rental and then get it in writing for a new move out date.

Mailers are outdated, waste of money and time. 

Doorbells are pretty outdated in my opinion.

The counter tops sound pretty outdated and ugly.

the 6% cartel is long overdue for technological upheaval.its' like car dealers, an outdated system that everyone hates that will soon be replaced by technology but the timeline has dragged on because the industry is so fragmented (and archaic dealer franchise laws).Zillow does 99% of the work for real estate agents now and yet commission haven't come down to adjust.

Your risk is going up fast as roofs wear out, apartments get out dated, AC units break and you've got no funds to maintain and improve things.

Let her move, and quickly  start advertising it once you have a confirmed move-out date.   

leave your under garments soaking in the Kitchen sink before her 4am culinary sessionstake up saxophone lessons.

So I manage a commercial property in Long Beach, CA and there is an outdated lease for the billboards on the roof.

Considering this property was built in 1944 and the original owner acquired the property in the late '80s with no major updating since and an outdated layout.