Hi, not sure if someone can help me please.  Put a BUY NOW up for someone who had contacted via ?s and answers and they were keen to buy but when I put up the buy now someone else jumped in and took it.  Now the person who won it says they did not see the ?s and it is theirs.  The person who really wanted it says the person who took the BUY NOW should have seen the conversation we had and known it was for them.  What should I do?