Another way of illustrating this concept is to consider what the yield on our bond would be given a price change, instead of given an interest rate change. (investopedia.com)
Some lenders now give an interest rate reduction of around 0.25 % simply for setting up automatic payments. (thecollegeinvestor.com)
Even better, set up automatic bill payments — some lenders will even give you an interest rate discount for auto - pay enrollment. (studentloanhero.com)