Your brain makes thousands of judgment calls every day — and it can't start from scratch on each one. So it takes shortcuts. Most of the time, these shortcuts work fine. Occasionally, they misfire in ways that are completely predictable, and people who know the pattern can use it against you. That's what cognitive biases are: not stupidity, but systematic errors built into how the mind processes information. Anchoring is one of the most powerful, and one of the easiest to exploit.

The anchoring effect is simple: whatever number you encounter first sticks to your thinking like a price tag you can't peel off. Every estimate you make afterward gets pulled toward that first number, even if it's completely irrelevant. In 1974, psychologists Amos Tversky (1937–1996, Israel) and Daniel Kahneman (b. 1934, Israel/United States) — who would later win a Nobel Prize for this body of work — ran a now-famous experiment. They spun a wheel rigged to land on either 10 or 65, then asked participants to guess what percentage of African countries were in the United Nations. People who saw 65 guessed around 45%. People who saw 10 guessed around 25%. The wheel had nothing to do with the question. The number didn't matter. But it changed everything.

The car dealer trick from the hook works the same way. The $42,000 SUV isn't there because the dealer thinks you'll buy it. It's there to make $31,000 feel reasonable. Retail does this constantly — the 'original price' crossed out in red, the 'compare at' tag on the shelf, the suggested retail price nobody ever actually pays. These numbers are anchors. They don't describe value. They manipulate your sense of it. Once you see the first number, you're not evaluating the price anymore. You're measuring distance from the anchor.

So what do you actually do with this? Two things. When you're buying something, find the real reference point before anyone shows you a number — look up market rates, comparable sales, or production costs before the negotiation starts. Your anchor should come from reality, not from whoever wants your money. And when someone hits you with a number first, name it out loud: 'That opening number doesn't mean much to me — let's talk about what this is actually worth.' Saying it breaks some of the spell. Not all of it. But some. The $31,000 sedan is still $31,000. Whether it's a deal depends on the car, not the SUV you saw first.