eBay

I have a question I would like some assistance on. My ebay account automatically defaults details to the United Kingdom as that's where I normally live, but am out here in Australia for a few months. I recently won an auction for an item on ebay.com....

Just wondering if it's right that a seller has an item for sale with the option of "buy it now" or "make an offer". So I made an offer (not un-reasonable) and the seller counter offers with the buy it now price! so what is their point in having make ...