Either you start with a smaller or bigger amount the most important factor is how knowledgeable you are about it and what strategy you will follow to make profits and reduce the risks, and if you can manage this then rest everything will be fine with you.
Actually, it is true that large or small amount of free trade, but to start trading may be better to try a small amount. It was done with the purpose for trade requires learning so at the earliest time when the small amount if it fails we have nothing to lose in large numbers. To understand the trade does require a good learning. Once we got used to trade for sure we will have a strategy to profit in trading.