buy the same horse twice

== English == === Etymology === Perhaps alluding to the practice whereby a seller tricks a former owner into repurchasing a previously sold horse, often under disadvantageous terms. === Pronunciation === (UK) IPA(key): /ˌbaɪ ðə seɪm hɔːs ˈtwaɪs/ (US) IPA(key): /ˌbaɪ ðə ˌseɪm hoɹs ˈtwaɪs/ === Proverb === buy the same horse twice (US) (in a negotiation) To trade or make concessions for something that has already been agreed upon.