You may want to take a deep breath here. I suspect your mind reading act is no better than mine - so you won't really know how this will play out until it plays out... Don't get me wrong, I am genuinely sorry this deal has gone south in a big way but at least you have the option to walk away without any financial damage.

You may find you are pleasantly surprised by eBay's response to this deal buster. But then, you won't know that until you contact them.