Возможно, вы искали:
Результаты из Коллективного Словаря Reverso
gazumpv.
raise a price after agreeing on a lower one
gazunderv.
lower a price at the last minute to secure a sale
bookjackern.
someone who re-posts a genuine online listing for a book at an inflated price on another website. If someone buys from the bookjacker, he buys the book from the original seller and provides him with the address of the customer. The bookjacker never sees or handles the book, but collects his margin.