Answer:
You reduce the amount of your loan and save money on interest. The monthy amount does not decrease, but you do decrease the amount of months you need to pay off your mortgage.
Edit: this does not work for e2020, it needs more :(
Good luck and have a great day :)
Answer:
Since your interest is calculated on your remaining loan balance, making additional principal payments every month will significantly reduce your interest payments over the life of the loan. By paying more principal each month, you incrementally lower the principal balance and interest charged on it.
Step-by-step explanation: