I designed a digital goods marketplace within Snort a while back. Happy to share if you can pull any ideas from it - go for it!

Check the playground page under Storefront: https://www.figma.com/file/Q79i1WVA1bIAzYaLihgteN/Snort?node-id=522%3A3815&t=8CLNVR0ZUjmC7FGD-1