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Perhaps you're probably correct, about your assumption that how much of your discretionary or disposable income is what determines how much you should invest rather than how much you earn, but I'd like to point out to you @Tmoonz that you're wrong from a different view point; bitcoin investment is not a default option in which you must invest what you have at your discretion; it's an important choice that should be taken seriously.
It seems to me that sometimes folks get their investment into bitcoin wrong because they might prioritize it beyond their considerations of their disposable income.. so then they get into trouble.
Sure, there is no problem prioritizing your investment into bitcoin, but it still has to come from your disposable income rather than some abstract decision to buy $100 per week of bitcoin no matter what - and then you end up not even having enough to cover your expenses or otherwise putting yourself into a predicament that could have had easily been avoided with a tad bit more appreciation regarding your budgetary (and psychological) balancing considerations.
Perhaps when one talks about investing in bitcoin, it is supposed to be a very important part of one's life that is worth cutting other expenses to increase the rate and/or level of your investment; your lifestyle can wait for a moment, but bitcoin cannot, so you must sometimes not make yourself too comfortable by investing a small portion of your income in bitcoin, instead take it upon yourself to make a better portion of your income count by investing it in bitcoin.
There is nothing wrong with your ideas of cutting some of your discretionary expenses down to amounts that end up prioritizing bitcoin, but that is a different question in regards to whether you are prioritizing bitcoin beyond your discretionary income.
Yeah, you may be able to drive a Toyota rather than a Lambo.. no problem. You may be able to go out to eat 1 per week rather than 3 times per week, and there are a variety of ways in which our own choices of expenses are deprioritizing investing into bitcoin, but that still does not mean that investing into bitcoin can either go higher than discretionary income or that it makes sense to cut some expenses that may well be important to your quality of life in other ways including that if you choose to eat really cheap food, you might end up with health problems that could have had been avoided.. or even there might be needs for you to take your girlfriend/wife out for dinner (or other ways of spending money on her) from time to time in order to preserve your relationship... or some kinds of normalcies in your life that sometimes involve expenses.. including in some of your social circles, you might sometimes need to spend money on friends/relatives, even though maybe they don't deserve it or appreciate your spending on them, but there might be some needs to preserve various relationships with people that sometimes will cost money and take away from your ability to buy as many sats as you might prefer to buy in that week (or that particular month).
For instance, if you earn $200 per week and your weekly spending for the so-called lifestyle is $190, and you have roughly $10 in discretionary or disposable income, is that a good investment? Absolutely not! So it's basically how much you earn and a percentage you're willing to give for the future, rather than what's in your disposable income, because bitcoin isn't like shitcoin, where you can put whatever you want, but you decide how much of your income should be invested in your long-term investment scheme.
You seem to be fighting with the idea of discretionary income, which seems like a semantics fight rather than a substantive fight... since surely you seem to realize and recognize that there may well be limits on how much any of us is able to invest into bitcoin on a weekly/monthly basis and there are ways that we can attempt to prioritize our expenses.. or even work on ways to increase our income.. .. so yeah, no problem with providing examples in which priorities might be changed and still be within bounds of discretionary income in order to invest into bitcoin or however else a person might choose to invest his time, money and/or energies.
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If the investor can
manage himself and his investment perfectly then I see no problem with it. Let's not just look at this from one angle which is the negative aspect of it. Let's look at the positive aspect of aggressive buying too, there are people in bitcoin history who invested aggressively and managed it very well and became successful in the end. Provided you have set up things that will help successful hold your bitcoin without selling it off premature. Let's look at the golden picture here for people who invest aggressively, they end up having lots of bitcoin in their possession and stand a better chance of profitability. There are reasons why some investors tries being agressive in their buy, it could be that the investor is starting his bitcoin journey late, and he want to meet up some level of bitcoin. Provided you have the means to sustain the investment and run his life off it.
I agree with almost all of what you are saying Justbillywitt; however, I find very little value in any kind of idea that any of us should be striving and/or able to achieve perfection in terms of our bitcoin accumulation and/or our balancing of our priorities.
Personally, I think that it is better to consider the matter in terms of some kind of a balancing of making decently good choices within a range of possibilities that give us more and more options the longer that we do it.. so that we are likely just trying to do a good and comfortable job rather than getting it perfect, and sure, I am not suggesting to be sloppy or anything like that since from time to time we might identify areas in which we can tweak one direction or another, and we can even choose whether or not to tweak, and maybe the tweak might not even be much better than our earlier set path, but we can still attempt to make various kinds of improvements from time to time, yet I doubt that we are necessarily achieving perfection, even while at the same time, we might feel that we are achieving a certain level of comfort in terms of balancing our own finances and psychology.
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You have to understand that what you use with your disposable income is optional, everyone has what they fancy more than the other, it's good if you prefer to use that money to build your bitcoin investment, but I still think you Don understand what a disposable income is.
For instance if I earn up to 1000$ and i have bills i have to pay like my transportation, maybe School project I am running, food expenses, electricity bills this are all necessary expenses that must be attended to before investing in Bitcoin
Let's say 100$ goes for transportation
400$ goes for project
150$ goes for food
50$ goes for electricity bill
What's left of that is your discretionary income which is 300$ left, you could decide to keep 100$ for floats in case of unexpected or luxury expenses, and 50$ for an extra reserve cash or what ever other systems your building and depending on your financial situation, what's left can go to bitcoin at once for DCA and if eventually your floats isn't used up totally you can use it back for investing in bitcoin.
Everyone financial needs are different and someone with same income would have more discretionary income after expenses has been removed.
Churchillvv is not making a completely invalid point, since he might be saying that a guy who might have $100 in transportation expenses, might choose to buy a car or buy a lambo rather than a Toyota, so that guy might not be adequately grappling with his discretionary income because he is creating expenses that are higher than he needs, and he should be prioritizing bitcoin and cutting back on some of those expenses.. .which sure sometimes that may be possible and sometimes it might not be as practical as Churchillvv seems to be suggesting. Sure, another thing, which seems to be part of Churchillvv's point, is that some folks might consider their Lambo as a transportation expenses, which truly it is partly a transportation expense, but the Toyota might be more practical and there might even be instance in which it might be better to use public transportation, take uber or some alternative to actually owning a car - except maybe in the case of a business, the car might be specifically used for direct work reasons.