why if I picked calculated shipping and it came out to $8.92 and then the buyer only paid $5.64 ?I picked ups ground saver and the buyer selected ups ground saver so why did they pay less than shipping costs ?

why if I picked calculated shipping and it came out to $8.92 and then the buyer only paid $5.64 ? | Ask a Mentor

why if I picked calculated shipping and it came out to $8.92 and then the buyer only paid $5.64 ? | Ask a Mentor | eBay Community