Unit 2 · Level 1 · The emergency fund
Why this comes first
Boilers fail. Contracts end. Cars need a €1,500 repair on a Tuesday. None of that is bad luck, it is just life arriving on its own schedule. If you have no cash set aside, the bill has to come from somewhere, and the only somewhere is whatever you own. You sell at the price the day happens to offer, not the price you wanted. A buffer is not exciting and it will never be the best-performing thing you hold. It is the thing that lets everything else be held.
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What you get asked
Your car breaks down and you hold no cash buffer. All your money is invested, and the market is down 20%. What happens?
The garage does not wait for a recovery. Without cash, the timing of your selling is decided by your boiler, your car and your landlord instead of by you.
You invested €8,000. The market is down 30%, so the position is worth €5,600. An urgent bill forces you to sell all of it. How many euros of paper loss just became a real, permanent one?
€2,400. While you hold, a fall is only a number on a screen and it can still recover. The moment you are forced to sell, that number becomes final.
A buffer does not raise your returns. It protects them, because it removes the need to be a ___ seller at the worst possible moment.
Forced selling is where most real damage happens. Markets fall for everyone, but only the person without cash has to turn that fall into a loss.
Put in order what happens to someone with no buffer when the boiler dies
Every step follows from the first one. Fix the first step and the rest never happen.
What does an emergency fund actually buy you as an investor?
The buffer buys you time, and time is the only ingredient long-term investing really needs. Cash first, then the market. 🐜
The rest of this unit
The cash buffer that has to exist before any market does, because it is what stops a bad month from becoming a forced sale.