Buyer offer accepted but then buyer did not pay. Can I leave buyer negative feedback?

[jamleigh]

Buyer accepted my counter offer but then decided not to buy the item. Reason given was that after ‘buying’ my item (and not paying for it) he/she was no longer interested because he/she had ‘now found one cheaper’.
I want to leave negative feedback but do not seem to have that option?

[arkwebus]

While we feel your frustration the option to open and close a non-payer case is a powerful one. Yes - you will get your fees back but better - much better - is the fact that the buyer will get a defect.

This helps the whole community of sellers [who are believed to get little protection] in that should the buyer get another non-payer defect most sellers will not sell to him which is - surely - an amazing result?   Get rid of non-payers!

@jamleigh