My understanding is that the agent holding the listing agreement with the seller would be the one responsible for, among other duties, hosting the Open House.

Your only responsibility (and focus) is enforcing the lease.

In addition I paid my parents a contractor management fee which I do include in the costs.Now I know for tax purposes they will not include my personal travel (I already deducted that as on my sched C), I know none of the CC interest or fee's would be deductible anywhere, but regardless I plan to include them on the gross. 

I wrote the above for informational purposes.

She sent me a response letter stating that she cant afford the $625 living on SS and that her son has moved out and to please work with her while she tries to find a new place. 

At that time the rate and terms were better individually than through the LLC for a construction project, so I did the loan in my personal name and transferred it to the LLC for liability purposes.  

What would be a responsible term for a MF unit?

foundations SCARE people... its an emotional response. 

Hi Carra, Welcome to the Investing World :) I would suggest some local meet ups those would be great to help get you started and great for networking purposes.

I did a "lease-option" with him where I essentially took over ownership and responsibility for the property as if I owned it.