Where is your driver's license, where are your bills sent to, where does your employer pay you your income, etc. 

DSCR loans offer alternatives for DTI/income and employment, but generally still have strict personal credit requirements. 

Find the right 1 or 2 people to either partner with or employ, then scale small but keep it all.

He was my employer as well until he laid me off then raised mortgage 500$  I’m so mad depressed and I want to be made whole again 

Reducing the cash required to move in by employing services that guarantee the security deposit for a monthly fee.

However, they are self-employed.What is the best way to verify income for someone that is self-employed?

Self-Employment Tax: If flipping is your business, you may owe self-employment tax.3.

I’m committed to house hacking since I can only afford a place with a primary resident loan.Has anyone employed the mid-term rental strategy while house hacking?

One thing to keep in mind is there are programs that "Do Not" require employment seasoning so 6 months is not a factor with a few new programs. 

I would do the following, at a minimum:-request that he complete your rental application (hopefully you have a thorough application),-request identification documents (government-issued),-require that he provide you with proof of his visa status and the authorized length of stay,-verify his employment, income, and financial stability, and-contact his previous landlords for references.If he cannot satisfy these application requirements, do not approve.