Or they should start with buying the crypto first. Check out all the possible ways to buy and exchange the crypto and fiat in your country or local authorities. Then once you start buying then create nice and trendy portfolio after studying the projects. Have BTC and ETH in your portfolio on prime target.
Initially you better start holding the crypto and feel the volatility before you can jump into trading platform.

It's way way important to understand the volatility index of crypto, its crazy and it can impact your trades in good way or bad way based on your experience. So learn it first and then go for trading tutorials. In that also try to have long term holding trades, gradually day trades and then leveraged trading.

This should be your ideal way of trading.