We are currently only allowing sellers from within the United States and Canada. If you are located outside of the US or CA, you will not see yellow PD Marketplace buttons on your Peak Design Account Dashboard.If you are located in the US or CA and you still don't see buttons to sell your gear, it means we likely do not have an address on file for your account. From your Account Dashboard page, click the "Manage + Addresses" button at the bottom and enter your address. Then refresh the page and you should see yellow buttons to list gear for sale.