If you may be unable to ship your item within the handling time you have specified on your listings, you can ending your listing early.
If you sell an item, but won’t be able to ship within your handling time, we recommend that you message the buyer and let them know, in case they wish to cancel the sale.
To end an item-Note the item number of your item for sale, and visit this link to terminate your listing: http://offer.ebay.com/ws/eBayISAPI.dll?EndingMyAuction
You can also go into eBay and revise your items to extend your handling time for the time you are returning. For example, if you will be away for two weeks you can extend your handling time to 15 days. Here are the instructions to set your Time Away. https://export.ebay.com/en/marketing/ebay-services-and-tools-help-seller/how-put-ebay-store-vacation/