Doctor Kristy profile image 78

Why does one of my hubs have an eBay RPM of $0.00?

On the eBay sales reports page (in the "earnings" section of my account), I can see some of my hubs, and they each have a different RPM (revenue per thousand views). One of the RPMs is $0. Why would this be? It's not new, it has eBay ads and it is getting some traffic.

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