Dollar Cost Averaging DCA remains the optimum strategy for buying Bitcoin. With DCA one can buy at different prices such that no matter which direction the market faces there will always to funds to take advantage of the market situation. If I buy the dip and the price pumps high I will take some profit buy at the new price then revisit my strategy to predict the direction of the next move. If the move happens to be upward then I wait for  a good entry point but if it is downward I will keep target good resistance zone to avoid been trapped.