Yuh know, "Nuh buy puss inna bag" is a good one fi remember, right? Literally, it mean yuh nuh buy a cat without seein' it, inside a bag. But really, it warn yuh fi mek sure yuh know what yuh gettin' before yuh commit, fi avoid being cheated. A yardman would seh it when yuh dealin' with something yuh can’t properly inspect.