User Activity

After 4 days, if I have not received payment, or had any contact with the buyer, am I allowed to sell the item to the next highest bidder? Or do I have to go through the Resolution Centre and give them an additional 4 days to pay?
I'm a first time seller on Ebay.ca, and after listing my item with the dimensions taken at Canada Post, the shipping cost listed is much less than I was quoted at the post office. I just want to ensure that I don't end up having to eating the shippin...
Helpful given to