There are various types of mortgage loans with different interest rates. The rates differ from one moneylender to another, but there are certain limits within which the rates are fluctuating. However, there are special discounts offered by banks and lenders for a limited period of time, usually for a couple of days. These discounts are generally advertised through TV and newspapers and if you wish to take the advantage of discounted loans you have to watch mass media carefully and regularly. Indeed, these discounts are worth of your efforts, because at the end of the loan payment cycle you will save a considerable amount of money.