Yes this is a good suggestion before starting to trade with real money it is important to learn about trading and practice with fake money means with demo trading. Some people might lie about how well they are doing or not have much experience but there are people who trade successfully and earn good living. However trading is risky so it is important to have backup plan. To be good at trading we need to keep learning testing different strategies and adapting to changes in market. It is not easy but with hard work and smart approach we can build stable financial future. Your advice is great and I fully support it.