To get started head over to your eBay and go to "My eBay".
Scroll down to selling tools and select "Manage your shop".
Step Two -
Select "Promotions Manager".
Step Three -
Now select "Promote your listings".
Step Four -
You will now be on your promote listings home page. Select "Create a new campaign".
Step Five -
Now click "Select listings in bulk".
Step Six -
Now select all listings and "Continue"
Step Seven -
Now tick "Apply same ad rate to all listings". You now need to decide what ad rate you want to set your promoted listings at, we would recommend somewhere from 2-3%, but it is up to you. Once you have decided this, select "Continue".
Step Eight -
Now agree to the terms of service and select "Launch".
Your listings are now promoted.