as a buisness you have to show them
This item is offered for sale elsewhere and we have a right to end this auction early.
that is not allowed and is reportable.
Failure to pay within 3 days and by accepted payment methods may result in a Non Paying Bidder Alert being filed and relisting of the item
buyers have 4 days to pay before you can open a non payment dispute.
I cannot be held responsible for items damaged or lost in the post. All items are packaged securely and I always obtain proof of posting.
You are resposible and proof of postage is only proof that something has been sent not delivered.
I think you should change your descriptions and not make your own rules up.