開天索價，落地還錢 [开－－价－－－还钱]

Jyutping hoi1 tin1 saak3， lok6 dei6 waan4 cin4
Pinyin kāi tiān suǒ jià , lào dì huán qián

Definitions (CC-CANTO)
  1. this phrase is used to describe during negotiations between two parties, the seller asking for a sky-high price whilst the buyer returns the offer with a rock bottom price