Those are good for the basics but not for practical every day people applications. 

On the rental end where we live, there's more people needing rental housing than housing available and I just saw that with 7 applications on 1 unit.

Generally, I don't approve applicants who need reminding 

And no idea if LLPA is applicable.

I already spoke to his mother who‘S willing to fill up the application and do background check separate from her son.  

The application is done with IRS Form W-7, and foreigners must provide original certified identification documents.IRS Form W-7IRS Form W-7 InstructionsThe IRS has 'Certified Acceptance Agents' who are authorized to certify foreigner investors’ original documents and process the application.

Is your DSCR ratio greater than 1-meaning are you cash flowing (according to the lender's criteria of mortgage, property taxes and insurance (and HOA) if applicable).

Set up showing to get multiple good applications say by having an open house. 

Is your DSCR ratio greater than 1-meaning are you cash flowing (according to the lender's criteria of mortgage, property taxes and insurance (and HOA) if applicable).

As stated previously, my PM is already on this path (and just taking FOREVER ugh).  1 week to fill out and snail mail the city rental application, another week and they say they're waiting on the city to schedule the inspection.