The phrase "huge markup" means that the price of an item or product has been significantly increased, usually far above its original cost. Full definition
This is a LOT more than a «little white lie» invented to sell cheap agricultural products at huge markups... it is the biggest health scam ever perpetrated on the public! (betterbreads.net)
True to form, several buyers of the flamethrower turned out to be scalpers, asking for huge markups for the limited - edition item. (teslarati.com)
He describes most of the policies and legislation in place as being highly irrational; for example, he explains how Brazil, one of the few efficient producers of bioethanol, faces huge markups in the U.S. and European Union - a consequence of prohibitive tariffs - while much less efficient corn ethanol - based technologies receive large government subsidies. (treehugger.com)