I know you have to take the reviews with a grain of salt, but it makes me nervous since I know that a bad property manager can really do a lot of damage.  

Take it with a grain of salt.

I'm not sure about Maryland law so please take this with a grain of salt: it seems to me the squatter was invited by the tenants, who may have breached their leases by having someone stay overlong, but if he's there when the house is sold, you will have to evict him because he had an uncontested right to be there. 

I just moved from living with my parents in Arlington, Texas to living with a boatload of roommates in Salt Lake City, Utah.. and you wouldn't believe the amount of connections you can make just by surrounding yourself with people everyday, especially new people (Go to REIA's).

@Bruce Scannell I'm in NC, so take my words with a grain of salt, but the broker is responsible for the brokerage.  

Doesn't make these "gurus" bad necessarily but I would just take it with a grain of salt as they say.

Take the advice you receive here on BP with a grain of salt.

I honestly do not know a banker worth his salt that does not do a site walk personally on any CRE loan.

That really sucks, but it happens and I hate to add salt to the wound, but seriously, you've got your work cut out for you on this one.  

Something new I am starting is leaving small thing of soap, shampoo, conditioner, toilet paper, salt, and pepper for them.