'Buy' in the Bible
All countries came into Egypt, to Joseph, to buy grain, because the famine was severe in all the earth.
He said, "Behold, I have heard that there is grain in Egypt. Go down there, and buy for us from there, so that we may live, and not die."
Joseph's ten brothers went down to buy grain from Egypt.
The sons of Israel came to buy among those who came, for the famine was in the land of Canaan.
Joseph saw his brothers, and he recognized them, but acted like a stranger to them, and spoke roughly with them. He said to them, "Where did you come from?" They said, "From the land of Canaan to buy food."
They said to him, "No, my lord, but your servants have come to buy food.
It happened, when they had eaten up the grain which they had brought out of Egypt, their father said to them, "Go again, buy us a little more food."
If you'll send our brother with us, we'll go down and buy you food,
and said, "Oh, my lord, we indeed came down the first time to buy food.
We have brought down other money in our hand to buy food. We don't know who put our money in our sacks."
Why should we die before your eyes, both we and our land? Buy us and our land for bread, and we and our land will be servants to Pharaoh. Give us seed, that we may live, and not die, and that the land won't be desolate."
Only he didn't buy the land of the priests, for the priests had a portion from Pharaoh, and ate their portion which Pharaoh gave them. That is why they didn't sell their land.