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.
Apart from knowledge, there is a word PATIENCE and I believe at least this is a must if you are a trader or want to become one. I myself when was new in trading used to get worried when the price of any coins I bought got less and then the panic resulted in selling those coins, later I usedto regret since they slowly climbed the ladder and got back to normal price.
Yup patience is the key to make profits in trading and if you lack patience then you are surely putting your money at wrong place which will bring only loss for you and nothing else.