I am a new seller on eBay. On many of my sales I am having to pay for shipping. I pull up the QR code for the sale then I find out later that I paid for all or most of the shipping costs. Please help me figure this out.

I am new seller on eBay. On many of my sales I am paying for shipping when my posting clearly states | Ask a Mentor

I am new seller on eBay. On many of my sales I am paying for shipping when my posting clearly states | Ask a Mentor | eBay Community