What is the practice of selling an item, in a place one cannot get out of, at a much higher price than its normal price?
If you go into an amusement park which you cannot go out of and back in (without a new ticket) or which is remote and far away from any shops, and find that a bottle of soft drink is being (legally) sold for $4 when its normal price is $1, what is that practice called?
profiteering prof·it·eer (prŏf′ĭ-tîr′) n. One who makes excessive profits on goods in short supply. intr.v. prof·it·eered, prof·it·eer·ing, prof·it·eers To make excessive profits on goods in short supply.