Please choose the correct ending to complete the given sentence: Holidays and Traditions: [header] How to replace dead christmas tree lights [title] Get replacement bulbs when you buy your lights. [step] Purchase replacement bulbs for your christmas lights at the same time that you buy your string (s) of lights. They are often sold at the same places and you are more likely to find ones that fit the kind you buy at the time rather than months or years later when you need them.

Ending1: You can find replacement bulbs from different different manufacturers at online retailers. Doing so will save on your battery life. Ending2: [substeps] If you're replacing lights that have been working for a long time, you'll probably find replacement bulbs lying around online or in the storage closet. Always check all costs and compare prices before you go down the chain. Ending3: [substeps] Your package of lights may already come included with a few replacement bulbs. Make sure any replacement bulbs are of the same voltage as the original strand. Ending4: Newer christmas lights can be able to be completely replaced. [substeps] You may need to trade the bulbs you will be replacing for new ones in order to receive the exact price.

Answer format: ending1/ending2/ending3/ending4