The global economy has been relatively unstable for the past few years. The recession in the United States caused a ripple effect that expanded all across the globe, and more recently, a crisis in Europe has affected people living in the United States. It's a tough world out there, so investing in profitable commodities may be an effective way to guarantee long-term financial stability.

Many people have flocked to the marketplace to invest in precious metals such as gold bullion, silver bars, and platinum coins. These metals are projected to retain their value, but there are a few things every investor should know before jumping into the marketplace. Here are three things to consider before investing in precious metals.

1.) It's important to understand that investing in precious metals should be done for the long-term. The prices associated with these metals often fluctuate depending on the current state of the economy, but typically, the metals come out on top of paper money.

2.) The U.S. dollar has had its fair share of problems in the past five years, and with the economy crawling back to its original state, investors may want to take this opportunity to invest in gold.

3.) When preparing to invest in precious metals, people should not put all of their eggs in one basket. It is important to have a diverse portfolio, so if there is a price decline in one item, the others will help balance the financial impact.

Investing in precious metals is an exciting hobby, and those people who are able to manage their portfolios well may make significant profits in the long run. However, investors should make sure they are well equipped to handle any rocky price manipulations that may take place. Like every other valuable asset, there is always a risk for a loss of profit.