Spending Rules That Adapt

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The lessons we can learn from the game of Poker

No experienced poker player bets the same amount on every hand, whatever is happening around him. He reads the table. When his stack is deep and the game is going his way, he can afford to press a little. When he has taken some hits and the cards run against him, he tightens up — smaller bets, fewer gambles — not out of fear, but because preserving the stack is how you stay in a long game. The amateur, by contrast, often plays on a fixed setting. Same bet, every hand, in good times and bad, as if the game were not sending him information on every deal. Poker punishes that deafness, slowly and then all at once.

Retirement spending has a fixed setting too, and it is a tempting one: decide on an amount, withdraw it every year, and adjust it only for inflation. The appeal is obvious: it is simple, it feels steady, and it promises a paycheck-like life. But notice what it assumes: the market will cooperate on a schedule it never agreed to. When a bad stretch arrives early, the fixed rule keeps pulling the same money out of a shrinking portfolio, selling more shares at low prices to raise the same dollars. The plan is not being maintained. It is being spent, at the worst possible prices, because the rule refuses to listen to the table.

The alternative is a rule that flexes. It works the way the experienced player works: after a bad year, you take a little less. Not a drastic cut, not a cancelled life — a modest trim. Skip the increase you had planned. Let one discretionary item wait. After a good year, when the portfolio has grown, you permit yourself a little more: the trip taken while your health is strong, the gift given while you can watch it enjoyed. The adjustments are small in any single year, but they compound in your favor, because they change the arithmetic of survival. Spending slightly less in a downturn means fewer shares sold at the bottom; spending slightly more in an upturn spends money that genuinely exists. The portfolio lasts longer not because you suffered, but because you adapted.

Think of it as guardrails, not a straitjacket. Some retirees set simple boundaries in advance: if the portfolio falls below a certain line, discretionary spending trims by a set, modest amount until it recovers; if it rises above another line, they allow a bonus. The exact numbers matter less than having decided them beforehand. Rules made in a quiet hour protect you from decisions made in a frightened one. And most years, the guardrails are never touched — the rule only asks for movement when the table has genuinely changed, which is to say it asks for attention, not anxiety.

There is a deeper fairness to the flexible rule that is easy to miss. The fixed plan pretends all your retirement years are identical, and we already know they are not. Spending naturally runs richer in the active early years and lighter later on. A rule that adapts to the market can also adapt to the life — fuller spending while you can enjoy it, eased spending when your appetites quiet down. The goal was never to preserve the largest possible balance at the end. The goal is a life funded well across all its seasons, with the stack still standing when the care years arrive and spending turns serious again.

One caution, offered in the spirit of the chip count. Flexibility is not an excuse for drift in the other direction — treating every good month as a reason to spend and every bad month as a reason the rule does not apply. A rule you override whenever it pinches is no rule at all. The adapting player adjusts within limits he set in advance, and he honors the trims in bad years exactly because he allowed himself the extras in good ones. That symmetry is what makes it trustworthy, and what makes it last.

Here is the takeaway. This week, look at your own spending rule — even if it has only ever been a habit — and ask what it does in a bad year. If the answer is “nothing changes,” write down one modest adjustment you would make after a poor year: a percentage trimmed from the discretionary side, an increase postponed, a purchase deferred. Then write the matching permission for a good year. Decide both now, while the table is calm. The players who last are not the ones with the rigid plan, or the reckless one. They are the ones whose plan listens — and so, in the longest game of your life, should yours.

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Author: timothymccandless

I have spent most of my professional life helping people who were being taken advantage of by systems they did not fully understand.

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