Season 2, Chapter 8 · August 27, 2026 · 10:37 min
You open your banking app, the number looks fine, and you still feel a low hum of not-quite-sure. There’s a good reason for that. If you have ever wondered how much money you should have left after bills, you will not find it on that screen. The balance is technically correct and almost useless for deciding anything, because it only counts what has already cleared. This chapter is about the number that shows you the rest.
The illustrations from this chapter:
Key Takeaways
- Your bank balance shows what cleared, not what’s committed, which is why it feels off even when it looks fine.
- There’s a different number that shows what’s actually yours, and seeing it changes how you decide.
- With that number, you stop deciding by rules and start deciding by real impact, which is where the confidence comes from.
How much money should I have left after bills?
It is one of the most common money questions there is, and most answers come back as a percentage. Fifty percent to needs, thirty to wants, twenty to savings. A rule like that can only work if your life arrives in even monthly pieces, and it does not.
The honest answer to how much money you should have left after bills is that it depends on what has not happened yet. Your car registration, the dentist, the birthday in three weeks. When those are not accounted for, the money sitting in your account looks like more than it is, so you spend it in good faith and come up short later. That is not a discipline problem. It is a visibility problem, and it is the same reason your bank balance lies to you.
SpendFirst answers the question differently. Instead of a percentage, you get one number that already accounts for everything committed to this paycheck. It builds on the payday routine from the last chapter, what to do on payday, and on the irregular expenses you set aside for the way a sinking fund works. Once both of those are running, what is left is genuinely left.
This chapter is about that number, and what happens the first time you see your own.
SpendFirst
The Surprisingly Simple System to Stop Stressing About Money
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When you check your bank balance, how much of that number do you actually trust is yours to spend, and what would change if you knew for certain?
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