To invest money in forex market you need to learn it. You have to make profit by your own. You will have to take all the trading decision. Profit and loss will depend the ability and skills you have. But yeah for online trading you need a good broker.
You can also start trading on your demo account, but this will give you a basic knowledge of trading. In any case, you will earn and lose money in this area. It is important to leash the ratio of profit and loss.
@AliaDare we know knowledge and skills of our own to get profitable. A good broker can provide support but making profit is our own job. We need to have knowledge and skills of trading and a good control of our mind.
Investing in Forex involves sufficient risk. You must have enough knowledge about trading, money management skills, patience, knowledge about that market and market conditions, right choice of broker and passion for trading.