Look up the default risk by credit score, this information is readily available online. 

However, if all they offer is general info, I think you can find most of it yourself in Bigger Pockets and other online sources.

I've found conflicting information online.

Just shop around online, look for properties similar to yours, add them to favorites and watch them to see how long it takes for them to rent.

There are also many online calculators you can use if you do a search for them.

New construction (strip centers, grocery stores, roads etc) started booming the last year.

They cover the counties with online access to public records (over 2200 counties). 

@Matt Wan Many lenders require wet signatures on at least the Promissory Note but if yours does not, as a US citizen you could do the entire signing anywhere on the planet with a good internet connection + mic + camera via Remote Online Notarization (RON) for less than $200.If wet signatures are required, the answer then depends upon what foreign country you are in.

If you want to send me a DM I can send you a link to run an easy online quote

Networking with local real estate groups or online forums could help you find recommendations for PM companies that have a proven track record in Birmingham