All the various consumer laws exist specifically to stop bad actors from doing stuff like this. 

If they stop paying, I foreclose, but still keep making my payment to the underlying lender.

Quote from @Henry Clark: @Michael PlaksIf they want to stop money laundering and funding terrorism they can control the border.  

If it has any basis at all (such as you left the apartment during your lease term for what you felt was a justifiable reason and stopped paying rent, but the landlord disagreed) then you may be better off paying a rather small settlement.  

Most every newbie will stretch the truth by being over-optimistic.I stopped teaching in 2011.

Meaning if the borrower stops making their payments the investor can lose all of their investment.

Keeping your cash flow separate is smart, but you might as well make that money work for you.I’d look into a high-yield savings account or money market account—at least you’ll earn some interest while keeping it accessible.

Proximity to Major Northeastern CitiesBuffalo’s location near major urban centers like New York City and Boston makes it an attractive alternative for buyers seeking more affordable housing without sacrificing access to urban amenities.5.

If they choose to stop paying rent later they are held accountable for that.

Then they stopped answering the phone it’s been four months.