You can start with as little money as possible as a learning path. I advise you to try it with bitcoin first. And once you get used to all the items needed to become a trader, you can gradually increase your capital. Don't forget to always read the news related cryptocurrency as much as possible, so that your trading journey could runs smoothly.
If we do have a small starting amount in trading, the learning process is great to acquire. Eventually growing a small amount of btc in trading could give you definite skills in handling your trading capability, and obtain full knowledge. Once you're done with those minor steps, you won't be afraid in dealing with bigger amounts as you go more mature with trading and do the serious market approach when you prospected thus promising coins to include on with your day trades.