And if the inflation hawks are right, that's a great deal - the capital you owe, and the interest you need to pay, will vanish within a couple of years and you'll still own the house.
Banks clearly don't think there's much risk of long term high inflation.
The bankers are not the ultimate buyers of mortgage bonds. The Fed is. So, these low interest rates are not a predictor of lack of inflation, but a reflection of policy. The government is taking this risk.
Banks clearly don't think there's much risk of long term high inflation.