If you still have incandescent bulb Christmas Lights, you can take them to the Home Depot Christmas Light Trade-In  and save on some new LED Lights!
Starting November 5, 2015 take your old incandescent Christmas light strings to The Home Depot for recycling. You’ll receive a $3, $4 or $5 discount toward the purchase of ENERGY STAR qualified LED Christmas lights. You’ll get a coupon for each string of old lights you give us. (Limit 5 redemptions per customer.)
So gather up your old strings of incandescent Christmas lights–whether or not they still work– and head to your nearest Home Depot store to trade them in. Dump them in the Christmas light recycling box, and pick up your coupon for money off the purchase of new, energy efficient LED Christmas lights.
LED lights will save you money on future lights AND your electric bill! Here is some information from Home Depot about the advantages of Trading in for LED Christmas Lights .
This ends November 15th.