That strategy only works if the price rises up to meet your break even point at some time, otherwise you are just investing more money you will never get back. Foolish strategy in this case. That is an excellent way to lose everything . So you buy 10k at 400, then another 10k at 200, now your breakeven is 300. But now the coin is at 150, now do you buy a shitload more to try to catch the break-even bus? How far do you go with that strategy, will there ever come a time when it is better to abandon that method and liquidate, and try to recover something at least?