Most experienced traders suggest that the best teacher is experience and no one gives the sensation of trading like having real money on the table. From this sensation it has something risky that new traders learn to be more careful. This type of education can be expensive and may appear as a way to get money from small traders. Sometimes underestimating a demo is a demonstration but actually it can be a test and measurement. Developing a system and being able to practice it with a real future in the system has been tested by demo accounts which I consider very important