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My take is that we should always advance to maximize every opportunity at our disposal. Internet income should be majorly perceived as a passive income unless a sustainable and substantial amount is made from it which the person must have seen as a career. For example, a signature campaign earning, I believe should be passive as a lot of spare time would still be available. For this, I see no reason why anyone should not effectively utilize their hours of the day so that their talents and skills could earn them better.
Overall, I do not disagree with the point that you are making EarnOnVictor, which is that the amount of work that is required from a signature campaign may well be relatively low, and not require a lot of time to achieve the requirements.
However, I believe that you are incorrect in the way that you describe what is meant by passive income.
You should not feel alone, since frequently passive income is NOT described very accurately.. and of course, there are more pure forms of passive income and then other kinds of income that are "kind of like" passive income.
I would suggest that largely passive income should be considered something in which you do not have to do any work in order to receive it.. except maybe just keep track of it and move it around, but there are not any requirements on you in order to receive it. The best kinds of passive income would be ones that flow from assets that you already own.
Signature campaigns are not passive becuae they require you to post, and there may be some other requirements from time to time, even if the requirements are not very onerous, relatively speaking.
It could be a paid job, investment, or small business (it doesn't matter) that could be reliably called a career. What matters is that at least 10 hours of the day should be channelled to what basically earns for you by utilizing your potential.
Personally, I do agree with you that there is some value to try to earn more money during your prime earning years, if you are able to do that, and so frequently there is a certain level of ambition that a lot of people have is to build enough wealth in order that later down the road, they will not have to work as much. Of course, each of us comes to differing kinds of decisions in regards to how to spend our time in terms of building ourselves or even if we are able to build our marketable skills or if we want to try to earn money versus trying to be happy in other kinds of pursuits.
And, of course, the starting points for each of us is different too, and so from where we start will affect some of the resources that we are able to draw upon, and some people are more capable of figuring out good fits for themselves and others have regrets later in life in regards to the choices that they had made - there may well be some difficulties to earn money later in life if you have not either gained marketable skills or have not been able to accumulate capital (or sure some people already have capital from the start, so they might not have any of those kinds of wealth accumulation dilemmas.. but they still might have wealth maintenance and wealth preservation dilemmas, perhaps?).