Besides using the idea of BUY and SELL which is very common yet one of the simplest fundamentals in this field there is an experience you have to obtain. Experience if the most important thing you need to obtain in order to be an efficient trader. Since you have enough amount of money just like what you have said try to use few of it to practise and gain experience. If you encounter any loss upon your trade don't be down but rather absorb it all, this can be used as a guide or as a learning to improve your trade. One thing, all the info you can find in this forum or everywhere can be used as a guide and tips but don't rely on it too much, have your own strategies and work on your analysis.