Thanks for your feedback, I understand isn't that intuitive like other marketplaces. But yep, if you want to give it another try, just upload an image, description and your preferred way to get paid ;)

For physical items, it's a bit more complicated, there's the shipping fee that might change and make things more difficult. I also suggest keeping it anonymous, especially for the buyer that may do not want to provide full name. Not sure SatsCrap
provide such service, we are researching into these options, last one https://parcelpath.com/how-to-ship-anonymously/