If no payments are made during the deferment, that interest will capitalize, or be added to the total amount of the loan. (cnbc.com)
Tip: Some lenders charge upfront fees, which add to the total cost of the loan, so be sure to take that into account before choosing a lender. (u-fi.com)
Though this may seem insignificant, if you take out a large loan, it could really add to your total loan cost. (lendedu.com)