Go to Configuration, Sales Channels, Settings, eBay, Manage Presets.
Click on Create Ebay Presets.
Select a market place and name your preset.
Select A dispatch time and a shipping type
If you accept paypal tick the box and add your paypal information you can also select any other payment methods from the drop down.
With the "Shipping Details And Payment Methods" filled in now go to the "Return Policy And Listing Upgrade" tab.
Next you set your returns policy
You have to set the item location everything else listing enhancements, post code is optional.
Now just click save and if all the fields are filled in then it will save.
Congratulations! You have created a preset that can be selected within your template! To edit or delete a template just click on either the red rubbish bin to delete or the blue pencil and pad to edit.