They never last long by the way because many have the wrong attitude.

I don't have a lot of experience with this type of situation, but I have talked with others who have been in similar situations.If you keep up your current attitude, you'll have your first property by December.

He also has a great attitude.  

Credit score, can they afford rent, can I collect if they do not pay, do they have a positive attitude, are they likely to follow the rules, will they fit with existing tenants, will they be happy as my tenants. 

I feel sorry for you much more than I feel sorry for hiring that PM, that was a one time mistake that will be corrected...but your attitude is a much bigger deal. 

It is a sign they are resentful of those in positions of authority and generally have a negative attitude towards others.

They are generally of lower quality, have entitlement attitudes and are more abusive to the property as they are home all day every day.

You should be able to choose which one by their attitude toward the rent increase.You should not view two vacancies as a bad thing.

http://www.ca6.uscourts.gov/opinions.pdf/15a0662n-06.pdf@Logan Hicks this is a recently decided case where a landlord sent a letter to the debtor's attorney threatening criminal prosecution and was hit with a punitive judgment of $7500 because of his attitude. 

A courteous and businesslike attitude is required from both parties.