I have done this with several properties and haven't had an issues using this method. 

She claims she has other children who she has cosigned for out of state without issue.

I feel he’s full of bs.I explained to him that he signed a one year lease and that we’ve never had noise issues/complaints before but that I will ask the other tenant (who has lived in his unit for years with zero complaints from anyone about noise) to keep his TV lowered after a certain hour.There is a clause in my lease that says he will have to pay 3 months rent if he needs to terminate the lease early.

You biggest issue is your dead equity due to the lost opportunity value.

However, I do agree with you that if you do not have a solid income vacancies and unexpected repairs can be a major issue. 

Thank you for pointing out the additional issues to be aware of.

I respond quickly to all maintenance issues.

The biggest issue seems to be too many investors and not enough inventory.Anyway, they have recently begun taking reservations for an OPO, $10/share.  

Seems late for a mechanic's lien issue, especially if not addressed by title insurance before the sale. 

So because of this and a timing issue it looks like I will  have to use Western Union to get the money to my title company.