Geting null results in some columns

Describe the problem.

Url: http://airbnb.com

I'm trying to get prices from some query I've done in airbnb.

I also don't know how to make the same query on to next pages of the query

Sitemap:
{"_id":"aibnb-antequera","startUrl":["https://www.airbnb.es/s/Antequera--Spain/homes?adults=4&children=4&checkin=2020-07-04&checkout=2020-07-11&source=mc_search_bar&place_id=ChIJWeKA1_GPcg0RNPtQauRE4EQ&click_referer=t%3ASEE_ALL|sid%3A63e6b398-c117-41a3-b6f9-657d6c9f7283|st%3ALANDING_PAGE_MARQUEE&title_type=NONE&refinement_paths[]=%2Fhomes"],"selectors":[{"id":"Producto","type":"SelectorLink","parentSelectors":["_root"],"selector":"._dx669kc a._i24ijs","multiple":true,"delay":0},{"id":"nombre","type":"SelectorText","parentSelectors":["Producto"],"selector":"._18hrqvin","multiple":false,"regex":"","delay":0},{"id":"camas","type":"SelectorText","parentSelectors":["Producto"],"selector":"div._36rlri:nth-of-type(3) div","multiple":false,"regex":"","delay":0},{"id":"baƱos","type":"SelectorText","parentSelectors":["Producto"],"selector":"div._36rlri:nth-of-type(4) div","multiple":false,"regex":"","delay":0},{"id":"Dormitorios","type":"SelectorText","parentSelectors":["Producto"],"selector":"div._36rlri:nth-of-type(2) div._czm8crp","multiple":false,"regex":"","delay":0},{"id":"descripcion","type":"SelectorText","parentSelectors":["Producto"],"selector":"<div class="_1ulsev2">","multiple":false,"regex":"","delay":0},{"id":"Precio por noche","type":"SelectorText","parentSelectors":["Producto"],"selector":"div._12cv0xt","multiple":false,"regex":"","delay":0},{"id":"Precio Total","type":"SelectorText","parentSelectors":["Producto"],"selector":"._121z06r2 span._j1kt73","multiple":false,"regex":"","delay":0}]}