Of course that is true, but mortgages have options to make regular balloon payments and such. You can &quot;catch the train now&quot; and beat that problem down later. If you&#x27;re young and starting out in a good field, you can expect your income to rise.<p>How much you&#x27;re going to pay and how long it will take is just a projection based on the current numbers: interest rate, remaining principal and payment size. The projection isn&#x27;t reality.