You can combine shipping on eBay if a buyer purchases several items from you, saving them money. While sellers aren't required to offer combined shipping, it's considered good business to do so.

Combined shipping allows you to offer buyers discounted shipping rates when they win multiple auctions from you or complete multiple "Buy It Now" transactions. They may bid on or purchase more items ...

When you're selling many eBay items at once in the same category, such as movies or video games, there is a chance that a buyer will purchase more than one item at once, especially if you offer ...