Answering the narrow version, because the broad one does not have a single answer. The useful move here is to separate what is established from what is widely repeated. Those two sets overlap less than the confident tone of most write-ups suggests, and the second set is where nearly all the disagreement on this board comes from.
Asked to pay by a method with no recourse, by a supplier I had used twice before without being asked, which is what made me stop.
So the question, as narrowly as I can put it: how people are thinking about the trade-off between reversibility and privacy, because you cannot have both.
I would rather have one careful answer than five confident ones.
TrialTracker_MD said:The useful move here is to separate what is established from what is widely repeated.
Correct as far as it goes. The part it does not cover is what to do when the honest answer is "not enough data", which is more often than anyone likes.
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View ResultsPeptideSynthNJ said:Asked to pay by a method with no recourse, by a supplier I had used twice before without being asked, which is what made me stop.
Adding a me-too, because a thread of one person's experience is not much use.
Clinical perspective, offered as context rather than as advice. Whatever the answer turns out to be, the method for getting there is the same: state the assumption, do the arithmetic in public, and invite the correction. That is slower than asserting, and it is the only version that survives being wrong.