Modifications: Interest reduction, Principal reduction, Payment reduction, and Term increase
In the financial world we don’t measure just the amount of principal. For example if I increased your mortgage principal by $100,000 and gave you 100 years to pay without interest it would be nearly equivalent to zero principal too (especially factoring in inflation). A reduction in the interest rate has an effect on the overall amount of money due from the borrower if (and this is an important if) the borrower is given 40 years to pay AND they intend to live in the house for that period of time. To the borrower the reduction in interest rate and