forex foreign currency

If you want to keep foreign currency, it is better to go to the store to exchange for money or Forex?
To say I am Japanese and U.S. dollar I think it would a good investment, and I want to keep the money for 3 years, so I must go to the local exhange cab money or $ 10,000 or Buy USD / JPY USD 10,000 in Forex? 10 pts. good or detailed answer.
Even more important than the elimination of costs and obtain a better rate of return is that you have the power of leverage Forex market. You can get $ 10,000 USD exchange of money to shop JPY 1,173,064.69. O JPY 1,173,064.69 with the Forex market can control $ 4,000,000 USD. Now and it will not now! There are risks and you can certainly lose money if not properly protected by a hedging strategy or some such tactics Oher risk reduction. Paul Pupp52@yahoo.com
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