'Bought' in the Bible

but the poor man had nothing except for one little ewe lamb that he had bought. He raised it, and it grew up with him and his children. It used to share his food and drink from his own cup. It even slept in his arms. It was like a daughter to him.

"No!" the king replied to Araunah. "I will buy them from you at full price. I won't offer to the LORD my God burnt offerings that cost me nothing." So David bought the threshing floor and the oxen for 50 silver shekels,