1º- On the left side click on "Sell in Doge" > "Register" and fill the form with your details, submit and validate your email address

2º- After validating, on the left side click on "Sell in Doge" > "Login"

3º-On the left side click on "So, [your shibe name]" > "My Listings"

4º-On top right side click on "Insert New Listing" and fill the form with de details of what you are selling (you can add the price in Doge or in USD dollars that automatically converts into Doge current value) and click on "Save"