Auctions can only be edited if no bids have been placed. Classifieds can be edited within the first seven days.

You can edit your listings through the Items I'm Selling page (available from your My Flog It page.) Click the 'Edit' button next to the listing and make your changes. If you just want to change the start, reserve or Buy Now price then you can click the 'Edit pricing' button.

If bids have been placed but the reserve price hasn't been met, you can lower the reserve price to within $1 of the current bid.