Find good land in a good location, and set up shop? 

In an interesting turn of events this tenant did decide to write me an email with many excuses the majority of which I know are not true, but most importantly she has confirmed for me that she has moved out such that I can feel comfortable in my decision to take possession."

With the services they provide I feel that they would be a really great one stop shop but I was hoping that the people here with infinitely more experience than I could weigh in on this.

Definitely shop it around for diligence purposes, find someone you can communicate with, get an idea of pricing for what you have and where you are going.

My initial thoughts are, how is this true? 

.), so keep that in mind when shopping around.

Rubber, torch down roofing, is a tried and true method that lasts more that 20-25yrs if properly maintained.  

If something breaks and they're not shopping around for deals with contractors, is this the person you want to be working with? 

Saying rings true in every market - your property is only as good as your property manager.

My understanding is that she is required to live in the duplex for 1 year before she is able to rent it out and make it a rental property, is that true?