The total interest of equal principal and interest repayment is more than the average principal, depending on whether you have any plans to repay in advance. If you plan to prepay, use average capital. If you don't plan to repay in advance, you want to be less stressed and use equal principal and interest.

Extended data:

Discuss 20-year and 30-year equal principal and interest repayment and equal principal repayment.

—— Under the repayment method of equal principal and interest for 20 years:

In the 20-year matching principal and interest repayment method, no matter what your loan amount is, it is usually in the eighth year, and the principal and interest in the monthly payment are similar. That is to say, after the eighth year, the monthly principal gradually increases and the interest gradually decreases. In other words, before the eighth year, most of your monthly payments are interest, and after the eighth year, most of your monthly payments are principal. Therefore, if the loan term is 20 years, you'd better pay it off before the eighth year. If it is after the eighth year, then the significance of repayment is not too great.

-20 years under the average capital repayment law:

Under the 20-year repayment method in average capital, the fourth year is normal, and the monthly share of principal and interest is almost the same. In other words, before this, you paid more interest, and later you paid less interest.

So in this case, if you want to repay the principal in advance, it is best to repay the principal before the fourth year, so that the interest can be reduced more.

-30-year average capital Repayment Law:

In this way, the year of equal principal and interest in monthly payment is about 13. If it exceeds 13, if the principal is repaid, the impact on interest will be very small.

To sum up, no matter what kind of loan method you use or how long it takes, if you want to repay the mortgage in advance, you should try to pay it back in the first five years, otherwise the later the time, the less significance it will be to repay the principal. Because the longer the time, the less interest is left. If the principal is repaid, the interest will not be reduced much, which is not cost-effective. And the sooner you pay it back, the more interest you can reduce.

Here, if you repay in advance, you usually have to pay liquidated damages. Different banks have different requirements for liquidated damages, depending on the regulations of specific banks.