The other choices at $500/oz. for silver will be either gold, or copper. And gold might be $5000/oz,. or higher. And copper is not a viable alternative. See, I have a brick of copper weighing 33 pounds in my shop to make this point. Copper is $3.24 per pound.
Compression of the leg nerves as they exit the spine causes shooting pain that can extend all the way down to the foot. The pain typically starts at the buttock and is felt on the side and back of the leg.
One of the most common causes of shooting leg pain is associated with bone disorders. Bone disorders can range in scope from conditions as simple as broken or fractured bones, to those as serious as bone cancer or a herniated disk.