"Baltimore" could mean Baltimore city which I am refering to or Baltimore county which is less risky and less hassle. 

You are going to have to send anywhere between 3000 to 5000 mailers to start to see a better probability to get a deal.That is simply the nature of the beast.Now as a reference.

When working on a project, like the basement finish project I'm just completing, I do refer to this book frequently. 

Do you check Landlord references?

If you can chat with any of their references before working with them, that will help a lot in deciding whether you should work with them or not.

Refer to my first blurb, check your state and local laws.Lastly, I'm not in AZ, but triple check your laws regarding "for-cause" and "not-for-cause" evictions.

Let me know if you would like me to refer you to your CORE 4 and help you get started

Challenge is, finding a PMC that meets your expectations and is organized well enough to consistently deliver.Read on for our copy & paste advice about screening PMCs:-----------------------------------------------------------------------------Recommend exploring as many sources as possible to get referrals AND cross-reference them to get as much accurate information as possible.Check out NARPM.com, BP’s Property Manager Finder (BiggerPockets: The Real Estate Investing Social Network), etc.Also, encourage you to learn from the mistakes of others - by reading posts here on BiggerPockets about owners not having their expectations met by their current Property Management Company.

That is something I generally refer out for my clients to cost seg professionals. 

I saw someone reference RentPrep.