King County's Online Exchange keeps relatively inexpensive, re-usable items out of the waste stream. The maximum dollar amount for household items is $250. There is no price limit in place for reusable building materials. Anyone can browse through the listings and purchase or acquire items. You will need to set up an account in order to place and manage listings. Already registered? Log in now to manage your listings. In addition to listing household items and reusable building materials, you can now list garage and yard sales – complete with an online map to your sale!