Brighten up the holidays with new LED lights from Home Depot . They’ll help you save a little cash with their trade-in offer: Just bring in your old, broken or used incandescent holiday light strings to be recycled and receive a discount of $3 off Home Accents Holiday LED Lights, $4 off Martha Stewart Living or GE LED lights, and $5 off Ecosmart or Lightshow LED Lights. This offer is only good through 11/15/2015, so start digging out those old lights now!