Verses with the word cost in the Old Testament (3 verses):

2 Samuel 19:42
And all the men of Judah answered the men of Israel, Because the king is near of kin to us: wherefore then be ye angry for this matter? have we eaten at all of the king's cost? or hath he given us any gift?

2 Samuel 24:24
And the king said unto Araunah, Nay; but I will surely buy it of thee at a price: neither will I offer burnt offerings unto the LORD my God of that which doth cost me nothing. So David bought the threshingfloor and the oxen for fifty shekels of silver.

1 Chronicles 21:24
And king David said to Ornan, Nay; but I will verily buy it for the full price: for I will not take that which is thine for the LORD, nor offer burnt offerings without cost.