And for people doing low income DCA it could take several years to get a reasonable amount of bitcoin, but what's the rush all about? After all this thread is about buying and hodling, so we shouldn't stop along the way. If we must see positive result, then it must be continuous.
We can ONLY rush as much as is within our capabilities - since we should not want to rush so much that we end up losing some or all of our investment because we were sloppy and/or we were taking too many risks. We have to figure out how to consistently be as aggressive as we can without putting ourselves into a position that we are going to lose some or all of our coins.. and sometimes we might not know how badly our situation can end up until perhaps some kind of emergency happens and we are not sufficiently prepared for it, while we might have had been telling ourselves that we were sufficiently prepared, and then if the emergency comes, that ends up being a BIG test regarding the reality of our actual preparedness.
Your calculations is well strategiesd, the sweet thing about investing in Bitcoin using the DCA method is that you aswell get to buy from DIPS, a 10yrs investment planning is combined of two Bitcoin cycles which the market must DIP allowing you buy at a very lower price. Your supposed total calculation of $9600, we can consider it low since we get to buy the DIP from each cycles.
A guy who invests $10 per week will have invested $520 per year and $5,200 after 10 years, and a guy who invests $100 per week will have 10x that amount, which would be $52k after 10 years. Of course, a guy might try to be as aggressive as he can, and maybe he will have some weeks that he is able to invest $100 and other weeks he is ONLY able to invest $10, and maybe by the time he reaches 10 years, he does not quite have $52k invested but he may well be close to $52k invested, and then the other question becomes how much has his investment gone up during that time.. Surely it is likely that his earliest of investments would have appreciated more than his later investments, but there also may well be a lot of ups and downs along the way, especially over an investment time period of 10 years or longer.
And, even though it may well seem that 10 years is a long time, it also will seem as if it goes by really fast, especially after you get there and then the question might be whether you have anything to show for your 10 years worth of investing, or were you just spinning your wheels and not getting anywhere.. which is part of the justification for ongoing employment of consistency and persistency and sometimes a combination of strategies to accumulate BTC in a prudent way.. even while potentially trying to be aggressive while attempting to be prudent.