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Only if you weren't already paying for Prime. If you were, then it's irrelevant as this usage adds no marginal cost.
by bigstrat2003 10mo ago
Only if you weren't already paying for Prime. If you were, then it's irrelevant as this usage adds no marginal cost.
- moralestapia 10mo ago"If you already pay for shipping then shipping adds no marginal cost."
- OkayPhysicist 10mo agowell, yeah. That's what the phrase "marginal cost" means: if it costs $x to do something N times, and $x + $y to do something N+1 times, $y is the marginal cost.