Forex trading is the system which allows to trade the currencies without having to pay sizable commissions to anyone. This is one of the best reasons for you to invest in Forex.
However, if you decide to work through a broker or other agent who will handle your trading, those services will require you to pay a price to use those services. This is not something that you have to do, though, and that makes Forex trading even more attractive than other types of trading.