Foreign investors LLC or not

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Hello all,, 

My parents( no green card/permanent residence- yet))  want to invest in a rental property in PA- full cash.

1) Is it better to own it inside an LLC or under their own name?

They have no other assets in USA to protect, so I think its just easier to own it in their name.  Am I correct? 

Not sure if someone can come after foreign assets in case of lawsuit.

They have a bank account in USA.

Is this as simple as paying full cash- hiring a property manager and getting rent checks in their bank account? 

Or is there more to this that I am not aware of

Thank you.

AK.