If he uses the HELOC responsibly, he'll be able to serially buy performing hard assets and eventually get to the point where the monthly cash flow will provide future down payments.6.

You are going to get conflicting responses on this because a lot of it comes down to your plans and your tolerance for risk, which are things known only to you.

@John Mocker John thanks for the detailed response.

Thanks for the response.

They've especially been inconsistent in their communications and sometimes respond to messages only after I press them for an answer (sometimes they are responsive).

You're still considered US citizen for qualification purposes not a foreign national.

I’ll keep you posted on his response. 

Quote from @Matthew Steele: Thank you I appreciate all your responses, yea I'm kinda leaning towards telling her he can't stay and telling her I'm not renewing her M2M lease, unfortunately in Nys if the tenant has lived there for 2+years they get 90 days notice, does this sound feasible?

FCI is big (160 employees) and their portal may seem like overkill, but they have their systems down and they are responsive.

You need to be responsible, but firm.