[peter11]

Originally Posted by 2019x5User

You will pay interest for 4 payments anyway, I don't see how you can save more by paying 90% in 1st payment:

Your interest expense is calculated monthly based upon the principle balance. So by paying down the balance substantially, the interest component of the payment will be minimized. The monthly payment, however, does not change. So you're right that he still makes 4 payments but almost none of it will be interest.

Trust me I am in the mortgage industry.