In My eBay > All selling, find your item, choose End My Listing Early from the More actions drop-down,enter the item number into the End my listing early page, and then click Continue. If this is an auction-style listing, decide whether you want to cancel any bids you've received or sell your item to the highest bidder. Then enter the reason you're ending your listing early. We send any bidders an email letting them know you cancelled their bids.
Click My eBay at the top of any eBay page. In the left column, in the Sell
section, click Active. Find the listing you want to change, and select Revise
from the drop-down menu.
All promotions, discounts or coupons currently available to you will be listed in the All Selling section of My eBay, under Promotional Offers. Some offers will require you to click Accept in order to activate them.
Try relisting the item. Click My eBay at the top of any eBay page. In the left-hand column under Sell, click Unsold. Select Relist from the drop-down menu. In some cases, you can also set up your listing to automatically relist your item up to 3 times.