Lesson 6 of 10 · 7 min read
Your income is your biggest lever
Saving has a floor. Earning doesn't.
The other side of the same sum
The whole investing world talks about the return on what you put in, and almost nobody talks about what determines the contribution itself. Yet that's the bigger dial. You can only cut your spending by a few hundred a month before your life genuinely suffers, and that room runs out. Your income has no such floor. Someone who doubles their contribution from two hundred to four hundred a month achieves the same as someone who finds two extra percentage points of return — and that second thing is out of reach for practically everyone.
You put in $36,000. The other $42,139 is pure compound growth. Time does most of the work.
Where pay rises actually come from
Internal rises usually track inflation plus a bit. The big jumps almost always come with a move, because then you're paid what the market currently asks for you instead of what you earned last year. That doesn't mean switching every year, but it does mean knowing your market value: job ads with salary bands, conversations in your field, a recruiter who calls. Anyone who doesn't know it is negotiating against their own old salary, and that's the one negotiation you're guaranteed to lose.
One conversation, years of effect
A salary negotiation feels like one uncomfortable half hour, which is exactly why people skip it. But the number that comes out of it is the base for every subsequent rise, every pension contribution and every next job. Five thousand extra at twenty-five isn't five thousand over a career, it's a multiple, because everything after it is anchored to it. Go prepared: know your market value, name a specific number, and then stop talking. The discomfort lasts thirty seconds and the outcome thirty years.
In practice
€300 more a month, invested every month at 6% over thirty years, is roughly €300,000. Saving that same amount by living leaner costs you something every single day. One conversation cost you half an hour.
And then the hard part: not spending it
Almost every rise disappears within a few months into a bigger place, a better car, or simply into nothing you can point at. It's called lifestyle creep and it's why people earning double what they did ten years ago have no more left over. The fix is one action and it has to happen the same day: the moment your rise takes effect, raise your automatic contribution by a fixed share of it — half, say. The other half you're free to spend. You'll barely notice, because you were never used to that money.
Stocky says
Raise your contribution the same week your salary rises. Wait a month and the money is already somewhere else.
Remember this
- Saving has a floor, earning doesn't. That makes income the bigger dial.
- The big jumps come with a move, because then you're paid at market value.
- One negotiation sets the base for everything that follows.
- Raise your contribution the same week as your salary, or the rise vanishes.
There is a quiz for this lesson
3 questions that check whether it stuck. They live in the app, because a quiz nobody grades teaches nothing.
Want to practise, not just read?
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