A 2013 National Retail Federation survey found that about 35% of consumers returned at least one holiday gift. On average, though, those who returned gifts took back four unwanted items for an exchange or refund. Those numbers don’t even reflect how many people received gifts they didn’t like but weren’t able to return – or simply didn’t bother to take back.
You can read here Kiplinger’s “Seven Reasons Your Gift Will Be Returned”