For Realestate.co.nz listings, you need to complete the Realestate.co.nz details in Listing Entry - including pricing. When you select a Realestate.co.nz pricing option, the price fields will reveal so you can enter the price range (two fields min / max) or the price indicator (for asking price / BEO).
Use this chart as a reference to check whether your selected pricing option will include a published price indication.
For example: Can I select the Expressions of Interest option but not display a price?
No - the Expressions of Interest price option requires a price indication (that will be published). If the price indication is left empty then the listing will be rejected. Instead you could use: