There are many people who lost their money on trading, because trading is unpredictable job, in my opinion i need:
Method ( i must have system trading)
Money ( i must have management of money and risk)
Mind ( i must can control my emotion)
Tell me your opinions?
Trading goods such as fruit or other tools that unpredicted, just only in the crypto because the price is determined by the demand in the sense decentral then the price so fluktuatif it is a big challenge in trading crypto, so the three things you said it is needed I also want to add the Information ( you need information to analysis or predict the price) .