Only if you learn from your mistakes. If you can't make money in sym trading real time won't change that. Trade sym until you can develop an edge, then transition to real money.
It is pretty easy these days top go from Sim to Live with small size, Micros or fractional shares. One should get live as soon there is traction.
Trading on a simulator and on real money is very different. The simulator contributes to the violation of discipline. When you trade your money, everything is completely different.