When you see businesses that offer cash for gold, you may automatically assume the gold includes necklaces, gold bars, or other large pieces of jewelry. Due to the value of gold, you don't need big pieces to build up the value you have. When you sell gold for cash with smaller pieces, you can still make a good chunk of money on the sale. Check out some of the smaller pieces of gold you can sell for money and ways to build up your funds over time.