Genesis 17:12-13

17:12 Throughout your generations every male among you who is eight days old must be circumcised, whether born in your house or bought with money from any foreigner who is not one of your descendants. 17:13 They must indeed be circumcised, whether born in your house or bought with money. The sign of my covenant will be visible in your flesh as a permanent reminder.

Genesis 17:23

17:23 Abraham took his son Ishmael and every male in his household (whether born in his house or bought with money) and circumcised them on that very same day, just as God had told him to do.

Genesis 33:19

33:19 Then he purchased the portion of the field where he had pitched his tent; he bought it from the sons of Hamor, Shechem’s father, for a hundred pieces of money.

Genesis 47:20

47:20 So Joseph bought all the land of Egypt for Pharaoh. Each of the Egyptians sold his field, for the famine was severe. So the land became Pharaoh’s.