This is what I thought for years, because most people in the forums are repeating these kind of statements over and over (me including). A high winning percentage is definitely possible, but of course not the only way to trade profitable. As you ...

80-85% net winning percent. Should I move on demo?

? — this looks very promising, not to say outstanding! Will you share this system with us?

System to hedge every major dollar pair for profit / low DD