As a buyer, you can choose whether your offer expires in 12 hours, 24
hours, or 48 hours. I always choose 12 or 24 hours if I make an offer,
usually depending on whether it's morning or evening in the US. You
maybe can try to message them if it expir...
You get a "defect" for cancelling the transaction of your own free will,
but I believe that cancelling for a full refund also protects you from
negative feedback. You can then blacklist the buyer and relist the item
on eBay. There is no need to sell ...
The 30 day window invisibly helps you and raises your prices because
buyers are less likely to be too scared to buy and too frustrated from
being burned in the past when they have that big "MONEY BACK GUARANTEE"
showing that they're good for 30 days ...
Your items should appear in every country to which you have offered to
ship to.* You manage an "exclusion" list of countries you don't ship to.
If you don't have the country on your exclusion list, it should appear
on the country's eBay domain. There...