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Is there any definitive answer to when page authority can change? I'm trying to see if it's a trackable metric but not sure since (I believe) it's something that takes time. Is there any article/reference that speaks to the fact that the page authority can take time to change? I do know that changes to the page, competitors pages and a multitude of factors go into the score, but I'm trying to see if there is a 'simple' answer for the timing of the scoring.

Hi, I currently am doing digital marketing for a home builder. Here is one of our challenges: we build homes, create the page to sell them, details on the house are put up, Google crawls them, and then the house sells and I need to take it off the site. This is just creating a constant redirect process that I'm OK with but I'm just thinking I'd rather have Google not know they exist and delete them. I have community pages and floor plan pages with evergreen content and a blog that's doing well. I'm OK with Google not seeing these pages, but I'd really like to know what others in the industry do and what Moz thinks is best. I have a working theory of creating 10-15 pages where I rotate the houses: house 1 is posted and once it sells replace site content with house 16 (assuming 15 pages already exist with 15 houses). Reason - none of my listing pages have any page authority and it overall just makes the site un-authoritative. I know the domain authority is a different ranking factor, but I need the pages to be stronger or just not there. I'd love confirmation that that shouldn't be a concern for me as it seems to be one that I've inherited through years of SEO marketing paranoia.