of course best trading planing is important for traders and i say that we make our good trading business setup and we manage our trading with proper trading planing and we work in market with good management and we understand the market and we fully analysis the market and we work with market clear trend understanding then we make good earning with our forex trading business
In my opinion the best trading plan is only that in which your risk of loosing money is minimum. In such type of plan reasonable stop loss is used. With low risks you can easily make a weak plan profitable.