How do I become a Seller on MyDeal? To find out more information on how to become a Seller on MyDeal.com.au or to contact us please go to https://marketplace.mydeal.com.au Related articles How do I contact support? Is MyDeal an Australian website? What is the phone number for MyDeal? How can I find out more information about a product? Where can I find your Terms and Conditions? Comments 0 comments Please sign in to leave a comment.