without good knowledge in trading you can loose all your money instead of getting profit in it. so better to save your money and first learn trading.
If he really desired to learn about it im very sure he will find ways to get more good info's about trading, and their are many guide on how to do it properly and also he can provably ask experience people on how to do low risk trading and what is the main thing he needs to avoid, we all know that trading is not easy its because it has still a big chance for us to lose big amount with it thats why it is very advisable for newbie to monitor their desired coin so they will know little by little the movements of the price on the market.