If you get multiple orders from one buyer, you can merge them into one single parcel to save on delivery.
1. Chose one of the new orders from one buyer, click the button on the right and select "Consolidate Orders"
2. Tick the orders you would like to merge with the previously selected one.
3. When the parcel is formed, click «Consolidate orders»
4. That's it, your orders are merged and can be sent as one parcel with one tracking number