How to Prepare for a Negotiation in 30 Minutes

The Program on Negotiation at Harvard Law School calls failing to prepare thoroughly the biggest mistake negotiators make, and one that happens far more often than people admit.¹ For a rent renewal, a builder’s quote or a client who wants work sooner, thorough does not have to mean slow. This is how to prepare for a negotiation in 30 minutes: set a timer and write down answers to six questions, in this order:

1. Name the goal and a target (5 minutes)
2. Decide where you would say no (5 minutes)
3. List what the other side is likely to care about (5 minutes)
4. Check a fair market range (7 minutes)
5. Plan an opening and three things to trade (5 minutes)
6. Script your first two sentences (3 minutes)

The ideas behind these steps, such as your best alternative and the zone where a deal is possible, are explained in a broader, step-by-step guide to how negotiation works.

A written target is the part of preparing with the most evidence

A specific, ambitious target, written down before you talk, is the best-supported part of preparing. Negotiators with specific, challenging goals consistently achieved higher profits than negotiators with easier or vaguer goals, or none, according to Deborah Zetik and Alice Stuhlmacher, negotiation scholars at DePaul University (US), whose 2002 meta-analysismeta-analysis: A study that combines the results of earlier studies on the same question into one overall estimate. Pooling makes the estimate more precise, but it cannot repair the studies it pools: a meta-analysis of surveys is still survey evidence.Full entry in the glossary pooled 22 research reports.²

The study

Moderate evidence

Goals and profit across 22 negotiation reports

Across 22 research reports, negotiators who held specific, challenging goals consistently achieved higher profits than those with easier or vaguer goals, or none, and more difficult goals went with higher outcomes. The link was stronger when the other side had no strong goal of its own, when there were rewards for performance, when the talks were not face to face and when the negotiator had experience of the task.²

The review measured profit in the negotiations it pooled, and only its summary was available for this guide, so how closely those tasks resemble a rent renewal or a quote is unclear. A later meta-analysis by Carl Hossiep and colleagues, posted in 2019 as a preprint that has not been peer reviewed, backed goal difficulty but found no effect of goal specificity on its own, so ambition may matter more than precision.³ Why a target helps is easier to see. Without a figure of your own, the first figure anyone names becomes the yardstick (researchers call this pull anchoringanchoring: The tendency for an estimate or decision to be pulled toward a number seen beforehand, even an irrelevant one. It is one of the effects that held up when large teams ran the original experiments again.Full entry in the glossary). Adam Galinsky and Thomas Mussweiler’s three buyer-seller experiments, reported in 2001, found that first offers strongly predicted the final price; in the third, negotiators who had not opened erased the opener’s advantage by thinking about their own target.⁴

Take a plumber’s quote for a bathroom repair. If you hope for “something reasonable”, the quote itself defines reasonable. With a figure drawn from two other quotes, you have something to hold the new one against.

Myth

A good target is one you never move from.

Fact

Hold the result firmly and the route loosely. In one 1995 study, negotiators with hard, specific goals missed new information and did worse.

That caution comes from two studies published in 1995 by Jeffrey Polzer and Margaret Neale. In the first, negotiators with specific, challenging goals failed to take in new information presented during the talk and ended with poorer outcomes than negotiators told to do their best. In the second, separate goals for each issue pulled attention toward splitting the difference rather than trading across issues.⁵ Be clear about the result you want, and stay willing to change how you get there when you learn something new.

How to prepare for a negotiation in 30 minutes

The timings below are an editorial suggestion, not a tested method: no study has compared a 30-minute plan with a longer one. The clock is there to make you answer every question instead of polishing one.

1. Name the goal and a target: 5 minutes: one sentence on what you want and why, and a specific figure or term
2. Decide where you would say no: 5 minutes: what you will do without a deal, costed in the same terms as the offer
3. List what the other side is likely to care about: 5 minutes: guesses, written as questions to ask early
4. Check a fair market range: 7 minutes: three comparisons the other side would recognize
5. Plan an opening and three things to trade: 5 minutes: a first ask with a reason, and what you want for each trade
6. Script your first two sentences: 3 minutes: the shared goal, then your request and its reason

1. Name the goal and a target (5 minutes)

Write one sentence on what you want and why, then turn it into a target: a specific number or term that is ambitious but realistic. That is the first question Leigh Thompson of Northwestern University asks negotiators to settle, in a summary of her book The Mind and Heart of the Negotiator by Harvard’s Program on Negotiation.⁶

Thompson names three traps. Aim too low and you risk the winner’s curse, the sinking feeling when the other side accepts your first offer at once. Aim too high, with no room to give, and you end without a deal. Have no target at all, and you tend to view the other side’s fair proposals with suspicion.⁶

For a rent renewal, the goal might be “stay two more years without paying more than similar flats nearby”, and the target “today’s rent, in exchange for a longer lease”. If aiming high feels uncomfortable, list the ways the talk could go well, one at a time. In three studies published in 2014, Michael Haselhuhn found that negotiators who spelled out their positive possibilities separately judged them more likely and achieved better outcomes, while spelling out the negative ones led people to demand less.⁷ Spend these five minutes on what could go right, and leave the worst cases for step 2.

2. Decide where you would say no (5 minutes)

Your limit comes from your plan B: the best thing you can do if the two of you fail to agree. Getting to Yes by Roger Fisher and William Ury suggests listing the actions open to you without an agreement, developing the most promising into concrete options, and picking the strongest; that choice is your best alternative.⁸

The step people skip is translating that alternative into the same terms as the deal in front of them. The Program on Negotiation describes a homeowner who found an insurance policy far cheaper than his renewal quote and nearly switched. After comparing the coverage and definitions in both policies, he found his current insurer was offering the better deal.⁹ A rival flat may be cheaper but further from work; a second contractor may be cheaper but unable to start for a month. Put a value on those differences first, and your limit becomes a number you can defend to yourself mid-conversation.

3. List what the other side is likely to care about (5 minutes)

Next, write down what the other side probably wants and why. The Program on Negotiation’s preparation checklist asks what the other side’s interests are, how important each issue might be to them, what their own fallback might be, and how you can find out more.¹

Suppose a client asks you to deliver a project a week earlier than agreed. The reason might be a launch that moved, a board meeting, or a budget that has to be spent before the financial year closes, and each points to a different offer: the core pieces early and the rest on time, or everything early for a rush fee. A short list of guesses is enough here.

Write each guess as a question to ask early, such as “What does the launch need from this first?” Plan with your guesses, but act on the answers.

4. Check a fair market range (7 minutes)

A fair range is the evidence you and the other side could both accept as a guide to a sensible deal. Getting to Yes calls this insisting on objective criteria, giving market value and precedent as examples, so that the deal rests on a standard independent of either side’s will.⁸ The Program on Negotiation’s checklist asks the same question: which objective benchmarks, criteria and precedents support your position.¹

Seven minutes is enough to collect three comparisons: listings for similar homes and any official rent figures your country or city publishes, two other quotes for the same job, or the number of days comparable projects needed before.

What counts as a fair reference point varies between countries and settings, so pick sources the other side would recognize.

5. Plan an opening and three things to trade (5 minutes)

Decide what you will ask for first, and tie it to the fair range from step 4 so you can give a reason for it.

Then list three things you could trade. The Program on Negotiation suggests preparing several packages that meet the other side’s interests and beat both sides’ alternatives: an early suggestion is then less likely to be mistaken for a final offer, and both sides are more likely to find items they value differently and can trade.⁹ For the rent renewal, those might be a longer lease, a flexible date for the landlord’s repairs, or taking on small maintenance jobs yourself. For each item, write what you would want in return.

6. Script your first two sentences (3 minutes)

One of the last questions on the Program on Negotiation’s checklist is whether you have practiced communicating your message.¹ Nerves and small talk make the opening the hardest part to improvise, so write it down.

The first sentence names the shared goal; the second states your request and its reason. For the rent renewal: “I’ve been happy here and would like to renew for two years on terms that suit us both. Homes like this one nearby are advertised at roughly what I pay now, so I’m proposing to keep the rent the same in return for a longer lease.” For the early deadline: “I want your launch to go well. I can deliver the core pages by the new date and the rest on the original schedule, or all of it early with a rush fee.”

Read the two sentences aloud twice, then stop scripting. The aim is a confident start, and the 1995 goal studies are a reminder that a plan held too tightly can blind you to what you hear.⁵

The checklist below repeats the same steps in short form.

Your 30-minute preparation

• Write my goal in one sentence and a specific target
• Write my plan B if we do not agree, cost it, and set my limit
• List what they probably care about, as questions to ask
• Note three comparisons that show a fair range
• Plan my opening and its reason
• List three things to trade and what I want for each
• Write and say my first two sentences

Download PDF ↓

Get this checklist as a one-page PDF. We'll email you the download link.

Your emailAlso send me the weekly newsletter (launching soon)Email me the PDF

We use your address to send this link and, only if you tick the box, the newsletter. Privacy policy.

Afterward, judge the result against your limit

Once the talk is over, compare the deal with your limit as well as your target. In three experiments published in 2002, Galinsky, Mussweiler and Victoria Medvec found that negotiators who focused on their targets got objectively better outcomes but were less satisfied with them than negotiators who focused on their lower limit.¹⁰

In the final experiment, reminding the target-focused negotiators of their limit after the talk raised their satisfaction, bringing how they felt closer to how well they had done.¹⁰ The Program on Negotiation’s lesson from this research is to focus on the ambitious goal during the talk and compare the outcome with your walk-away price afterward.¹¹ A high target pulls you forward while you bargain; the limit tells you honestly whether the deal was worth taking.

Say you aimed to keep your rent unchanged and agreed to a small rise with a longer lease. Measured against the target it looks like a miss; measured against a move you had costed at far more, it is a good result. The same article warns that goals can push people too far: it reports research by Maurice Schweitzer, Lisa Ordóñez and Bambi Douma linking missed goals to more unethical behavior, such as deception to claim a target was met.¹¹

When half an hour is not enough

Thirty minutes fits everyday deals with one or two issues and one person across the table. Each extra issue, person or rule adds interests to map, and the Program on Negotiation’s full checklist shows what a bigger negotiation brings: who should be on your team, the hierarchy on the other side, cultural differences, whether you will negotiate by email or in person, ethical pitfalls, and what authority you have to commit.¹

Take longer when the stakes are large, when you will keep dealing with the other person for years, or when a contract has terms you do not fully understand. Rules on rent rises, notice periods and cancellation differ between countries, so find out which apply in your country or city before you rely on them.

How much of this routine has been tested?

The rows separate research findings from advice; each is a pattern across groups of negotiators, not a prediction for yours.

Only the goal research pools many studies, and its settings could not be checked for this guide. The rest of the routine rests on advice from negotiation teachers and on Fisher and Ury’s method, widely used but never tested as a whole on everyday deals. So protect the target and the limit when time runs short.

The bottom line

If you can only protect ten of the thirty minutes, spend them on two lines: a specific target and the point where you would say no, with your fallback costed in the same terms as the offer. Use the rest of the half hour to guess their needs, gather three fair comparisons, price three trades and write your first two sentences. Afterward, measure the deal against your limit.