(Belgium, informal) to be expensive, to cost an arm and a leg

whatever it costs, whatever the cost, whatever it takes

how much does it cost?

the first step is always the hardest

(trading, business, finance, accounting) cost price (cost to a manufacturer of producing an item, before any profit is taken)

(transitive with à) to cost someone their life, to take someone's life, to claim someone's life, to cause someone's death

(business, management, accounting) cost centre