On top of finding a good Realtor something that is incredibly important is market knowledge. As such you should readThe Ultimate Guide for Grading Cleveland Neighborhoods It is a comprehensive guide that gives out of state folks just like you some inside info into the different types neighborhoods we have here in Cleveland. Happy hunting!
Not trying to be harsh but vast majority agents are 'friendly'. If you don't like dealing with people, being an agent is not the profession you should choose.
It sounds like you want a Turnkey provider more then then just an agent. There are a few that hang around BP. Without endorsing anyone, contact:
@Jenelle H. I work with out of state investors in the cleveland market who do exactly what you are looking to do. Let me know if you would like to learn more about how its done. Feel free to DM me.