What's the best way to deal with a counter offer on eBay?

Your eBay Questions Answered by Marsha Collier! Here's 072009 in the series, asked by Melinda Jackson of Galleria Gifts at a recent eBay conference, Many sellers get frustrated when trying to use eBay's "Best Offer" option. It's a great way to build your bottom line, but it's also insulting to get a low-ball offer. How to counter it? I answer here.

Thank you all for the warm reception of eBay For Dummies 6th edition), it's a best seller out of the gate!