Utilize your financial knowledge, give your answer or opinion to the input question or subject . Answer format is not limited.

Advantages of paying more of your mortgage while you know you won't continue to live there your whole life
Another factor:  When you sell this house and buy the next one, the more equity you have the easier the loan process tends to be.  We rolled prior equity into this house and had a downpayment over 50%--and the lender actually apologized for a technicality I had to deal with--they perfectly well knew it was a basically zero-risk loan.