There's a free 7-day trial for you to poke around on those forums and learn more.

They offer a free phone consultation.

There's a self-proclaimed Section 8 guru online who claims he hires random property managers through this website called Thumbtack.

I can become a millionaire just by looking at street and sat view and bid online in my underwear. 

If you are looking at properties in the US only on Zillow, and not seeing them in person (I know you are in Hong Kong), this is just an effort in futility because you can't underwrite single-family or small multifamily deals only online.

.: Hi,Is there a way to download specific addresses for houses in a certain area online?

Quote from @Diana Teng: Hi all,I think my question above is pretty direct.I'm interested to buy my first rental property, and after doing a brief search I see that there are quite a number of places out-of-state (I live in NY state)  that offer affordable homes that deem to be in hot market areas right now (according to many different articles online). 

Feel free to reach out.

I’d love to hear about the crime rates or any other issues (which we cannot guess from the online stats), and how easy or hard it is to find reliable tenants and property management companies.

Please feel free to message me if you want to walk through some logistics.