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Profitability will definitely be that be affected with certain factors like:
1. Average buy price
2. Amount that had been invested
I doubt that it is very helpful for anyone in their earliest stages of BTC accumulation to be overly concerned about profitability or not.
Surely, there can be some value to by bitcoin on the dip, yet there are trade-offs in terms of waiting for dips that might not happen, and so it seems a lot better to just focus on ongoing buying for 4 years or longer and then perhaps reassess at that time in regards to your average cost per BTC, how many BTC you had accumulated and what are they worth in light of various goals that you might have to allocate your value into bitcoin. What value do you have in bitcoin versus in any other assets whether in cash/cash equivalents or other places that you might have value, such as stocks, bonds, commodities and/or properties. Hopefully you don't have too much value in shitcoins.
You cant really just that expect that you would be able to make yourself that getting rich with having that $10-20 per month investment on which surprisingly there were people who are really thinking up this way.
Historically, we have had folks who have done quite well from those lower levels of BTC accumulation, and sure we expect that it is likely that bitcoin's upwards price slope is not going to be as steep as it had been in past times... yet you can go back and look at some folks who had been investing into bitcoin for a couple cycles or more to have had done quite well, even with relatively lower levels of investment into bitcoin.
Some folks had not been able to invest more, and then other folks surely might have had been overly whimpy, yet if they had errored on the side of continuing to invest and/or largely HODLing their stash (and not selling or trying to trade), then they likely still ended up doing quite well for themselves.
I could really say that holding is never been that an easy thing on which there will be things that will be affecting your way of thinking like.. What if i do make out much more profits if i do trade it up actively rather than on holding it?
Of course holding is not easy, and also it is not easy to keep accumulating through buying too... People lose their focus and frequently think that they will be able to buy back cheaper after they sold, which frequently ends up in their reducing their bitcoin stash size rather than increasing it or otherwise they increase their BTC stash size at a much lower rate than they would have had been able to do if they had merely stayed focused on ongoing buying until they reach their goals.
Even in your own situation, if you had been focused on buying
$21 of bitcoin per week since November 2015, then you may well would have had invested right around $10k, and you would have had accumulated in the ballpark of 3.57 BTC. Which surely would not be a bad place to be, and yeah, of course, if you had been able to invest more than your investment amount would be more but your BTC stack size would be more, too.
These were the words that will be coming up into your mind on which this will really be changing up your path on which instead of holding your position, you would be rather be playing up with the waves.
Even though it is tempting, it does not mean that you should be doing it.
If you arent that good on emotional aspect then simple crash or deep corrections could really be able to alter out you earlier plans.
That is why, even though deep corrections are painful for all of us who are holding BTC, yet if you are continuing to buy bitcoin during the corrections, whether DCAing or otherwise, then you are likely going to feel a lot better 4-10 years or more down the road.
I don't know how to get someone into a correct mindset, except for to suggest that they try to keep buying bitcoin at least 4 years or more and surely there are a lot of folks who are going to need to keep buying bitcoin consistently, persistently, consistently, ongoingly and perhaps even aggressively for 10 years or more before they might be able to start to slow down on your ongoing and regular buying of dee cornz.
Thing here is that you should be that anticipating that the money you had invested on Bitcoin isnt something that you can rely on. Im not being negative but thats how investment supposed to be on which you arent that putting up all of your life savings into it so that you wont be that getting stressed too much.
Well, you have to figure out some kind of a balance, since surely starting out at $20 per week might not seem very much and perhaps with the passage of time you are getting up to $100 per week, and each time that you buy bitcoin it does not really seem like very much because maybe it is in the ballpark of 10% of your income, yet surely after a while the amount that you put into bitcoin adds up and if bitcoin price goes shooting up, then whatever you had put into bitcoin up until that point is going to go shooting up with bitcoin prices, and so there can be equal kinds of tensions to keep buying during pump periods rather than getting tempted into selling some of it... especially it can be difficult since the amount that you might have been putting in was not really feeling like a lot, but later after the price pumps, the amount all of sudden may have had become way more than anything else in your life and it may also amount to several years of your income, so it is seeming like a lot, even though it had been fractions of your income as you were putting it in.
I am not saying that it is easy to figure out how to prepare yourself financially and/or psychologically for those kinds of potentialities with bitcoin, yet you should be able to figure out if you are still going to be buying in those circumstances or if your are either going to slow down buying and sell, which I consider slowing down and/or selling to be contrary to better practices, yet each person has to figure out for themselves how they are going to deal with those kinds of situations when then come. Historically, many folks make the mistake of selling too much too soon, but hey, it could be possible that you won't become such a statistic, even though I think that it tends to be better to get through a whole cycle or two before you might start to move into a practice that you are no longer accumulating bitcoin through ongoing, persistent and consistent buying of it.
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Their's one thing I've got to understand about making wealth, most poor people are not very patient that's why you see that majority of people who go after ponzi's and stuffs with short-term goals are mostly poor people, the rich don't have time for that their focus is on the future and making sure that they keep being wealthy therefore they invest and do that for a longer period to get more profits in the future.
That's why many rich people who criticised Bitcoin in the past are now top investors in it, they had no option but to jump in after they realised it's potential and how good it is as an asset for investment, many poor people are still blind and eager to make quick money that's why they prioritize stuffs like trading and ponzi's to make wealth, well luck do play a role in the life of some people who chose those path but then everyone can't be lucky, the rich knows that and that's why the choose a path that's less riskier but requires patience which is investments.
Poor people can learn how to get out of such bad thoughts and practices, and sure it can take a lot of time and discipline to put good practices into play in terms of recognizing bitcoin as a place to continue to put value into it and figure out ways to make sure that they can hold and to store their bitcoin in secure ways so that they do not end up losing it.