The expiration schedule of an interest-only mortgage payment is usually at the end of a set period. This makes interest-only mortgages compatible to "amalgam" adjustable rate mortgages. When the interest-only mortgage payment comes to an end your payment will then rise to include principal and interest. Other second mortgage loans only require one year for repayment. When you're thinking of taking on a second mortgage loan, you will need to know what term best suits you. Discuss the repayment terms of the second mortgage loan with your bank or lending company. For instance, you get a second mortgage loan worth $20,000 to make some home repairs. In turn, these offerings compete with other investments which possess certain similarities in terms of performance. These include US Treasuries, corporate bonds, foreign bonds, bank rate mortgages, and others. The bank rate mortgage investors act like typical consumers. That is, like you, they want two opposing things: low payments on their bank rate mortgages and high returns on investments. But this setback of a negative amortization mortgage can be counteracted if you choose to pay the additional amount now and not wait for its payoff overtime. Another advantage of negative amortization mortgages is that cash flow is more easily controlled. Remember that with an adjustable rate amortization mortgage, interest rates may go lower depending on the market. A tip for home borrowers is that when you do take on a balloon payment mortgage makes sure that the due date is not too soon. With balloon payment mortgages, if you can't pay the lender the amount on the due date, you might have to foreclose and lose the property. Some lenders offer extensions for their 30-years-due-in-7 balloon payment mortgages. Mortgage Rates There are several factors that affect your mortgage rate. One major factor of mortgage rate movement is inflation. Inflation means a growing economy and increasing prices of goods and services. A growing economy means a stronger demand for goods and services, allowing producers to increase their prices.