How do I reply to a post that I'm interested in?
If you're on the site, in the app or or reading a digest email, simply click on the post title to view the full details of the post. Once you are viewing the full post, look for the reply text area that shows up below the post description (on mobile devices) or to the right of the post description (on laptops and desktop computers). You can type a reply and then click the "Send Message" button to send a reply.
Keep in mind that the person offering the item may hear from multiple people who want it, so you might not always get the item.
If the offerer picks you, you and the offerer will arrange a time and place for you to pickup the item. Usually, you pickup the item at or near the offerer's residence.