I have been charged for postage but not use it

[s_aau22]

i have been charged by eBay for postage for sell item but I paid by my self for posting item.

[sandypebbles]

How did eBay charge you if you did not charge the buyer?

Your only completed listing does not say 'free postage' 

Did you print a postage label, not use it and not cancel it?