Hi terpene, You will need to purchase a vendor account if you wish to receive address details from members for sample purposes. Keep in mind that the $500 vendor bond is fully refundable once the terms of the bond are met making a Silk Road vendor account essentially free. You can read more about the bond here: http://dkn255hz262ypmii.onion/wiki/index.php?title=Seller%27s_Guide#Bond Libertas