It will cost you
No, but I will buy them for the full price. I will not take for the LORD what is yours, nor offer burnt offerings that cost me nothing.”
47 “The LORD lives, and blessed be my rock,
and exalted be my God, the rock of my salvation,
48 the God who gave me vengeance
and brought down peoples under me,
49 who brought me out from my enemies;
you exalted me above those who rose against me;
you delivered me from men of violence.
5 Trust in the LORD with all your heart,
and do not lean on your own understanding.
6 In all your ways acknowledge him,
and he will make straight your paths.
7 Be not wise in your own eyes;
fear the LORD, and turn away from evil.
either three years of famine, or three months to be swept away before your foes, while the sword of your enemies overtakes you, or else three days of the sword of the LORD, even pestilence in the land, and the angel of the LORD destroying throughout all the territory of Israel.
16 And when the angel stretched out his hand toward Jerusalem to destroy it, the LORD relented from the calamity and said to the angel who was working destruction among the people, “It is enough; now stay your hand.” And the angel of the LORD was by the threshing floor of Araunah the Jebusite. 17 Then David spoke to the LORD when he saw the angel who was striking the people, and said, “Behold, I have sinned, and I have done wickedly. But these sheep, what have they done? Please let your hand be against me and against my father’s house.”
14 Then David said to Gad, “I am in great distress. Let us fall into the hand of the LORD, for his mercy is great; but let me not fall into the hand of man.”
24 But King David said to Ornan, “No, but I will buy them for the full price. I will not take for the LORD what is yours, nor offer burnt offerings that cost me nothing.” 25 So David paid Ornan 600 shekels of gold by weight for the site. 26 And David built there an altar to the LORD and presented burnt offerings and peace offerings and called on the LORD, and the LORD answered him with fire from heaven upon the altar of burnt offering. 27 Then the LORD commanded the angel, and he put his sword back into its sheath.