That is a real point that our winning ratio with a limited amount should be good on demo trading. Not be hopeful with thousands of capital used in demo. You should judge your skill with a certain amount treating it like your real money is being used and you have to protect and grow it. That is the proper time when you think now you will do good trading on real account.The winning ratio should be good on demo accounts then you should have a good experience to manage a certain amount on demo. When you are able to do trading on some limits and feel now you can confidently handle market situations then switch to live account .