By rent due I believe she means rent until term date not until re-rent but I could be wrong. 

Not sure if this is wrong.

It could be that there is something physically wrong with the property or it has a clouded title.  

If they don’t you run the risk of them doing your books wrong.

We don’t know anyone in the area, but you might want to read our series about “How to Screen a PMC Better than a Tenant”, since selecting the wrong PMC is usually more harmful than selecting a bad tenant: https://www.biggerpockets.com/member-blogs/3094/91877-how-to-screen-a-pmc-better-than-a-tenant-part-1-services-and-processesAdditionally, don't treat property management like a commodity and just focus on the lowest price!

Or are we wrong and there some other issue depressing demand. 

And on the 4th he put in the wrong offer price.

Every year cost me 10%.You literally cant go wrong

I would think your costs would be cut some from that but your hourly rates might be higher so might be about the same assuming nothing goes wrong.

I haven't really had the opportunity thankfully where the amount owed after leaving was worth my time but have no issues stating I am a man of principal and sometimes petty and would go for it, especially if I thought they wronged me just to make life more difficult.