Reply a message
Want to reply to a message you received from a user? Just reply to the message directly from 'Messages' in you 'Inbox'
Contact a user
Go to user's profile and click 'Send Message' button
Use the 'Negotiate' button bellow every item to negotiate with the merchant and agree on a price or to ask any questions. Your offer and the optional message are private. Only you and the merchant can read the messages.
Once you accept the price offered, you can immediately proceed to checkout and complete the transaction.