<prompt> Human: A similar question was asked here but my question is whats the motivation for the banks. Im with Wells Fargo and Im constantly being pestered to apply for a lower interest loan to pay off 3k in credit card debt. From the banks perspective, whats the advantage?  <response>: If you knew your buddy was paying some random person 15 interest, wouldnt you find it advantageous to step in and offer that your buddy pay YOU 5 interest instead? 