When pushing to Trade Me, you can select the Price Type which matches up with the same field on Trade Me:
Price By Negotiation
Hiding the Price
The price will be hidden on Trade Me when you select Price By Negotiation or Deadline Treaty. Please note that all other portals and your Eagle provided website will use the 'Display Price' field as normal.
To hide the price for Business Listings, ensure that you select "Contact Agent" in the display price option on the listing details page.