What comes back to your answer is one figure; the rest happens on pages you have no view of.
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This activity carries your answer somewhere else: into other feeds, other pages, private messages. What returns to your side is a single number, and it arrives slowly and unevenly. That gap between what occurred and what you can inspect is a permanent property of the metric rather than a shortfall in the delivery, and expecting otherwise guarantees a disappointing read.
So decide in advance what you will treat as evidence. In practice that means the figure attached to the answer plus the order status, and nothing else. Anything drawn from how the page feels afterwards is impression rather than measurement.
Not whether the number moved, but whether the answer was worth moving. Something written for people who already know your other answers travels badly in unfamiliar company, and a larger order magnifies whichever answer is already true. If the honest verdict is that the piece was ordinary, knowing not to spend on it is the most valuable thing on offer here.
Short answers to what people ask most before ordering.