In addition to A Few Other Restrictions, Zumper has a cap of five listings on its free syndication offering. You can enable Max Listing Rotation to make the most of this free offering and get exposure to all your listings. Here's how:

1. Go to the Listing Sites Settings page.
2. At the bottom of the Listing Syndication section click Edit.
3. Enable the Max Listing Rotation toggle. 
4. Confirm the listing limit field is set to 5.
5. From the Select a listing site field, add Zumper.
6. Click Save.