> or a difficult place to deliver things (top of a mountain) you definitely see large markups. Not 6x, but 2x-3x isn't uncommon. But surely they aren't chargin

> or a difficult place to deliver things (top of a mountain) you definitely see large markups. Not 6x, but 2x-3x isn't uncommon. But surely they aren't charging 2x-3x more because they need to make profit, but because it's justifiable for them to charge 2x-3x more (mostly due to lack of competition). However, profiting from prisoners by exploiting artificially restricted competition seems rather unethical to me.