Finishing a mortgage payment as quick as you can is the best option for saving money in the long run.
It may seem that you are stuck in a fixed-rate mortgage, but suddenly the interest rates are dropping significantly and you are missing out. An adjustable-rate mortgage would have allowed you to benefit from lowering rates, but you are in a fixed-rate mortgage. You may want to benefit from those dropping interest rates. Refinancing would be the answer. But will it really mean saving your more money? That is why the use of mortgage refinance calculators is so extremely useful.