"Removing duplicate listings" timelag

[billsstamps]

Today I inadvertently loaded the same six items twice, I hadn't noticed I had already done it until it was loaded. (Chose the wrong spreadsheet file to upload)

So I immediately deleted all six duplicates.

A little later I got an email to say that one of the items had been removed as a duplicate listing, even though I had already removed the duplication.

No big deal, I simply list it again.

What I would love to know is what time lag there is between identifying a duplicate, and actually removing it, because the listing which was removed was no longer duplicated.

If I inadvertently double list again, should I remove the duplicates, or wait until the system removes them, in case both listings get removed?

[buttons-and-bows]

I could be wrong here bill but I thought they removed both copies of each one