creating a field group having Price (Number), Address (Google Map), ZIP (Text), Square Feet (Number), Number of Bedrooms (Select), Number of Bathrooms (Select), Property Photos (Gallery) custom fields and attached to the property CPT
setting up Google maps to work in WordPress with ACF and in Oxygen
setting up a template for the CPT single pages to show title, featured image, content, property meta, google map and a gallery of photos
setting up a template for the CPT archive page with each entry showing the featured image, price, title, meta and a link to view the listing