This will increase the total cost of your loans over time, because you will then pay interest on the increased loan principal balance. (studentaid.ed.gov)
Making in - school payments helps reduce the overall cost of the loan as you start paying down interest sooner. (collegeavestudentloans.com)
Paying a little extra each month can reduce the interest you pay and reduce your total cost of your loan over time. (studentloanborrowerassistance.org)