As long as you know, what the costs(x) are, you can sell x for costs(x) + y and keep it. When somebody asks you how you do it, the typical answer is, that you work with a network of experts in their field.
As long as I still get the payment I myself ask for. I have no problem working for somebody, who does this and manages to get an additional slice of the pie. Because without him or her the pie could very well be nonexistent.
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As long as you know, what the costs(x) are, you can sell x for costs(x) + y and keep it. When somebody asks you how you do it, the typical answer is, that you work with a network of experts in their field.
As long as I still get the payment I myself ask for. I have no problem working for somebody, who does this and manages to get an additional slice of the pie. Because without him or her the pie could very well be nonexistent.