Use stop losses to avoid losing of a huge amount of money. Don't pass your funds to anyone who is kind of an expert in trading and is ready to trade for you for some percentage.
You're right about that but i can assure you that the first step to minimize risk or lost in crypto trading start with.
1) Dont be greedy always
2) Invest the amount you can loose while set aside another purpose to accumulate during bottom price circumstance.
3) Invest 70% into bitcoin.