I'm getting different USPS ship rates for the same weights today: For a 3 oz (USA shipment) I was charged $2.70 once and $2.76 for another. Same size pkg. For a 4 oz (USA shipment) I was charged $2.68.... less than a 3 oz package. For a 5 oz (USA shipment) I was charged $$3.22 once and $$3.18 for another. Same size pkg. I contacted Palpal customer service and was told they have no say in what prices are charged. Something is obviously wrong.... what can I do?
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