> So borrow money to lend money? this is how it works. you don't think those lenders were lending you their own money do you? > What if the interest rate cha

> So borrow money to lend money? this is how it works. you don't think those lenders were lending you their own money do you? > What if the interest rate changes in those 30 years? the original loans are almost certainly fixed rate, the end borrowers may very well have to pay an adjustable rate, which just means more profits for the intermediate lender.