well in order for you to have more btc while having it is only by trading it in some platforms like bitmex bitfinex and other platform offering bitcoin trading you can do some margin trading there by forming a contract selecting the leverage that will suit your style and skills then you find good entry for your contracts then when it is accepted chances in bitcoins price will determine your profit and loss. You can earn a lot in this by practicing more and studying more in understanding Indicators and patterns that might repeat as the trend goes and by watching news regarding crypto currencies a strong news might give bitcoin an increase in price while a strong fud might decrease its price you can take advantage of such things like this and profit.