This is the homepage for bringandbuy.io.
If you're just wanting to buy, you can browse the listings without needing to create an account, or create an account to enable you to create a wishlist, see matching items, and receive a notification if an item on your watchlist is addecd to the sale.
With your seller account you can create listings for your games, print barcodes (or have them printed when you drop off the games at the bring and buy itself) and keep track of how your listings are performing.
If you are registered as a staff member for the account you can use the staff control panel to administer sales and sellers.