Also think about what can be damaged (tenants generally don't take care of the place as well as you would). 

Who pays when the resident knows they will eventually leave and stop taking care of the place? 

My suggestion would be to select someone with the most forum posts or most reviews.

Also, don't complain about your offer not being accepted - just submit a better one or walk away - the seller doesn't care about anything other than how long its been on the market and how close to ask you are.

I've stuck with the tried and true reasons I've heard to keep my search ranking high (quality photos, stellar reviews, updates to my listing) and that helps but in slow season, when I'm not willing to cut my rates as much as some of my competitors, it can be a ghost town.  

I would get an exterminator to take care of it since its a rental and that way they know you are trying to resolve it.

Quote from @Jason Burkart: Quote from @Theresa Harris: Whatever you do, I'd keep it in your name if you are the one paying for it, in part for some of the reasons others mentioned (if at some point she goes into a retirement home and needs to use her assets to pay for care).Are you able to pay for her home for 10-20 years? 

You can also search Google and read reviews.

The goal is to create nice affordable living that members enjoy and take care of. 

As of now, I'm still up in the air...no major results to justify an overwhelming positive review yet. lol