Those who bought at $20k early last year saw opportunity and seized it, when others were seeing fear/crash and today those who took the opportunity are now seen as the heros who has won. For you to see profit in Bitcoin investment you have to make a firm decision, stand your ground even if it means standing alone, that is buying when others are selling and dragging the price down. Don't look at price just keep buying.
Those who buy for investment purposes do not often consider how much it costs, except for someone who buys for trading purposes. Because investors usually target bigger profits for a longer time, while traders who only hunt for small profits only use very little time for that. There is now a slight price correction that is still possible for many to take advantage of if we are still confident enough for a price of $50K this month or beyond as the time for the halving approaches. So in general I still don't hesitate to buy as long as I still have confidence in getting more.