We can write a long text. But who will read the text? Simply put if you want to sell at auction or for a fixed price. And you know a possible buyers who are interested in your goods. Post the item. And then send your friends a link to the auction. For example via social media or in the email message. This way, you can easily reach the buyers. You will inform your customers directly.
Sellers, buyers and registered users can talk to each other directly through messages. If you don't reply to the message, then the sender doesn't know your email address. We take care about the security. Therefore, we do not collect any personal data at all. Read the information on the help page.