eBay

I've purchased something and paid in AU$ and now the seller is saying I need to pay more as he wanted US$. I said in no place did it say US$ and he says he assumed I would contact him first--what the? I'd like to speak to ebay about it if possible......

Recently sold an item of makeup..brand new & sealed. In fact the wrapping went halfway down the product. I now see the buyer has left negative feedback for me stating "Item was not clean or in good condition" What the?? I have emailed them but suspec...