buying when it low or at peak price will always worth it but only long-term investors will be favourable for that not the market opportunists and any market opportunists or long term investors that buy are still on the good but I particularly like buying through the weekend.
Right now the price of bitcoin is low and for those who basically understand perfectly well that, when a price is low and pretty far away from the previous ATH is when you really want to be accumulating bit by bit. I am sure we would not need a soothsayer to tell anyone that downtrends and fluctuations like this are normal stuffs that are usually bound to happen in a market, but those who take advantage of it, are usually the ones that get the best in the long run.
For instance, considering what happened in 2013 - 2015, and how some would have chickened out, may be people should start comparing the price back then, to what some are considering low now and see how things have turned out for the smart ones. I do not even need to go far back as 2010 or lower.