For many people, gold must be the most precious metal in the world for many years. According to history, gold is considered precious and valuable since the ancient civilizations. Gold can be used for various purposes including jewelry and investment. Gold investment might be a great investment choice for your retirement. However, you will find it difficult to own physical gold in your investment account if you are part of a 401(k) plan at your workplace. You might want to look for a way to convert 401k to gold and silver. You have to know these things first.