Frequently I have brought up an example of someone who might have lump sum bought BTC in 2015, and s/he bought 20 BTC for around $6,660 (so the average price per BTC is around $333), as compared with someone who might have ended up buying more regularly and more frequently and
spending $100k in order to buy 100 BTC between 2015 and 2019 with an average cost of $1k per BTCToday. Which one would you rather be? The one who has 20 BTC has much greater profits 3x more profits since his cost are only around $333 per BTC as compared to the one with 100 BTC and a cost that is 3x higher per BTC. Total portfolio value is $520k for the one with 20 BTC and $2.6 million for the one with 100 BTC.
Looking at the price history in 2015, the bitcoin price range was $300 - $400 when the price was still low, but unfortunately I was not in the bitcoin environment at that time because I had only just recently become acquainted with bitcoin and delved deeper into it.
I wonder if DCA was more popular at that time than it is now? That's not a problem because someone must have done it.
Currently it is impossible for the price to return to baseline, for us buying bitcoin units is not possible due to limited finances, so the right way is DCA with a few dollars input, say $20 - $50 for now because it is still possible for me to spend that much money for bitcoin, the rest can still be covered by the necessary needs.
Well buying more regularly is much better than a lump sum.
What is clear is that I choose a lot of bitcoin.

Talking $333 per BTC we will never experience that again, right? But you just gave an example from the past, and now I think just relying on a $20K drop then I can increase DCA during that price range to get more satoshis.