Learning. Reading, practicing and following the right people. Learn about Market Concepts and Structures and you will improve.
But most important thing is to have patience while holding Bitcoin. Bitcoin is very volatile and when you think it is the right time to invest in Bitcoin, things may not turn out very well. In such instances you will face severe loss and continuous decrease in your investment will make you think of selling your Bitcoin but never make such mistake under pressure and hold under the right time arrives.