Anticipating price drop, you can use the following trading or investment strategy. You prepare your capital and divide into 3 different amount.you should take long term investment for bigger profit. 50 % of your capital , used to buy at the current price. When it retraces lower to 38 % or 62 %, you can buy more using 30 %  of your capital and the rest 20 %  planned to be used if price keeps dropping to 62 % retracement. This is used to control your risk and at the same time can be expected to maximize your profit in the long term.