A 10day payoff refers to the time it takes for your new lender to pay off your old loans during a refinance. It's the payoff amount 10 days in the future.A 10-day payoff statement is a document from your lender that gives us the payoff amount to purchase your vehicle, including 10 days worth of interest. Your 10day payoff letter is crucial to ensuring that your new lender sends the correct amount of money so there is no outstanding loan balance left over. A payoff letter provides instructions on how to pay off a loan with a lump sum before the loan term ends. Learn how payoff letters work. A 10day payoff statement tells you the amount you owe toward your loan in order for the loan to be closed and marked as "paid in full." Yes definitely, you can pay off someone else's car loan. But, you have the authority to access the details of the borrower. If you're worried about how to get out of debt, here are some things to know — and how to find legitimate help.