We suggest that you allow up to 5 days for the seller to get in touch. During this time you should send them an email stating your wish to complete the trade. You should also check your spam filters to ensure you aren't stopping their emails.
Listing an item for sale on Flog It is a commitment from the seller to sell the item through the site. If the auction closes successfully the seller is obliged to complete the sale.
If you have given the seller a reasonable amount of time to return your emails or they refuse to complete the deal submit feedback on the seller. This will allow other buyers to assess the risk of purchasing from this seller in the future.