You could say karma is amazing just like gravity, whatever you throw upwards will return back to earth. Similarly, with karma whatever we do with one's body, mouth, and mind, i.e., deeds, words, and thoughts, will have its results maturing in us in this life or the next. Following us like our shadow.
If we know our current experience is the result of our past karma, we would know what kind of actions will generate happiness in the future.
so while we earn some money, be generous to those in needs. If we are at greater peace of mind, make a wish to share our merits with others who are suffering. Do good, get good, do evil, get evil.