Thanks Gary, obviously selected one of the 'specific' items on the dropdown menu & eventually got redirected to the Contact Us page again :(
Emailed the buyer with pick up address & asking how they wish to pay; received 'postmaster' email 2 days later saying my message was undeliverable due to a problem with buyer's email address. Have no other way of contacting them. Is there an email address for contacting Trade Me directly, without being redirected to several questionnaires?