When calculating the true ROI of a Promoted Listings campaign, beyond the immediate sales, what less obvious factor needs careful consideration to avoid overstating the success?

When calculating the true return on investment (ROI) of a Promoted Listings campaign, a crucial, often overlooked factor is the 'organic lift' displacement. Organic lift refers to the sales that would have occurred naturally through organic search results, without the paid promotion. Promoted Listings can sometimes simply shift sales *fromorganic results *topaid results, creating the illusion of increased sales when, in reality, you're just payi....