Non-US citizen (Things to know)

[Junseok Choi]

As you can see from the subject, I'm not from the US. I've read a couple of blogs for investing as an international, but thought I'd ask some of the professionals here. What are some important facts international investors should know before investing on a US real estate; things that are different(disadvantageous) for non citizens I mean. It could be in regards to getting loans from banks, to getting taxed while selling. I'm new here so I don't know whether I'm posting in the right section so please don't mind that. 

My profile states that I'm from Los Angeles,CA, but that's a mistake with the postal code that I saved. Now I have to wait to change that again.

Thank you