Starting theme update version 1.17, price per night can be 0, BUT with the following conditions:

  1. Admin booking fee is 0

price per night

2. Pins on demand doesn’t work with no price per property. Read more about this feature here http://help.wprentals.org/2016/07/28/use-on-demand-pins-when-moving-the-map-in-properties-list-half-map-and-advanced-search-results-half-map-pages/

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In this scenario with price per night 0, you can use just Cleaning Fee and no price per night:

cleaning fee

A reservation invoice with only cleaning fee will look like this:

reservation 0 fee

You can also use just price per guest.

pay by guest

Note: Minim and maxim price values in price slider (half map, shortcode, widget) apply only for price per night.