But think about how the terms would  be set up vis a vis her financials.  

You obviously need a business visa to be able to live and stay in the U.S. and of course an actual business to operate these properties (yet more overhead).

They have concerns about owning rentals while on specific visa status.

Bank Business Triple Cash Rewards World Elite MastercardPNC Visa® Business Credit CardWells Fargo Reflect® Card Ink Business Unlimited® Credit CardInk Business Cash® Credit CardThe Blue Business® Plus Credit Card from American ExpressBest to do them at the same time and day; just don't get a head of one's self and not have a backup strategy to pay them off.

wow, it used to be that VISA holders with a work permit, a SSN would be issued for work  and VISA holders that were not authorized to work would be issued a  ITIN upon request in case they intended to bank or register (ie, at school, college, university, hospital, etc).re: misuse..banks ,employers, insurance companies and hospitals use SSN's... are they misusing SSN/ITIN's because they aren't necessarily 'government agencies'?

I'd just want a copy of your passport/visa and any proof of income or job offer letter.I'd also want you to get a bank account in your name with a US bank. 

However my mother also made me an authorized user on her Visa account when I was 17 This helped me have a 788 Credit score by the time I bought my first house at 25 I would just recommend to people like @Laura Janosko to be added to someone's account for this reason.

I was unaware of how the visas work with foreign students.

For them to come to the states, and get their student visa, they're backed financially.  

You can ask to see the visa in his passport.