At 8:15 on a Tuesday morning, a major purchase can feel less like a decision and more like a second job. This week, we will use AI for two practical tasks: researching an expensive purchase without drowning in reviews, and writing a professional decline email that is clear, courteous, and not unnecessarily apologetic.

The point is not to let AI decide for you. It is to help you organize the decision, expose the trade-offs, and find the words for a message you have been avoiding. Try at least one before Sunday. That is the whole assignment.

Use Case 1 of 2

## Use Case 1: Researching a Major Purchase Decision

At 7:40 p.m. on Wednesday, Martin Alvarez, 58, sat at his kitchen table with three browser tabs open and a notebook beside him. He needed a new laptop for his consulting work. His current one was five years old, the battery lasted less than an hour, and video calls had begun freezing at exactly the wrong moments. But every review seemed to recommend a different model. One praised battery life, another warned about the keyboard, and a third insisted that Martin needed twice as much memory as he had planned to buy. The decision mattered because he would use the computer every day for several years, but he did not want to spend Saturday becoming an amateur computer engineer.

This is where AI can be useful - not as a shopping oracle, but as a patient research assistant. It can turn your priorities into a comparison, identify questions you have not considered, and help separate genuine requirements from attractive extras. The final facts still need checking against manufacturer specifications, independent reviews, and current prices. AI systems can confidently produce incorrect or outdated information, a problem researchers commonly call “confabulation” or “hallucination.”

Here is the exact prompt to use:

Copy and paste this into ChatGPT or Claude:

> I am researching a major purchase and want help making a careful decision, not a sales pitch. > > The purchase is: [describe the item, such as “a laptop for consulting work”]. > > My budget is: [give a range]. > > I expect to use it for: [list your ordinary uses]. > > The features that matter most to me are: [list three to five priorities]. > > The features I do not care much about are: [list unnecessary extras]. > > My constraints are: [include size, accessibility needs, compatibility with existing devices, location, delivery deadline, or anything else relevant]. > > Please do the following: > > 1. Turn my information into a clear list of must-have, strongly preferred, and nice-to-have features. > 2. Identify any important requirement I may have overlooked. > 3. Explain the main trade-offs in plain English. > 4. Create a comparison table for these options: [list the products, models, or categories I am considering]. > 5. For every factual claim that may change - such as price, warranty, availability, software support, or specifications - mark it “verify” unless I have supplied a reliable source. > 6. Give me five specific questions to ask a salesperson or check on the manufacturer’s website. > 7. Do not choose for me. End with a short decision checklist I can use after verifying the facts. > > Ask me up to five clarifying questions before giving the comparison if my information is incomplete.

Why this prompt works: It gives the AI a job with boundaries. Instead of asking, “Which laptop should I buy?” - a question that invites a confident but generic answer - you provide your budget, real-life use, priorities, and constraints. The request to sort features into three levels prevents every feature from becoming equally important. Asking for trade-offs is especially valuable: the best choice is usually not the one with the longest feature list, but the one that fits your actual life. Requiring “verify” labels also reminds you that prices, specifications, and support policies can change.

Use Case 2 of 2

## Use Case 2: Writing a Professional Decline Email

At 10:05 on Friday morning, Denise Morgan, 64, opened an email from a former colleague asking her to join a volunteer committee. Denise liked the colleague and supported the organization, but she had already agreed to care for her grandson two afternoons a week and was trying to reduce, not increase, her commitments. She had meant to reply on Thursday. Then Friday arrived, and the draft became harder to write because she did not want to sound selfish, unhelpful, or permanently unavailable. What she needed was not an elaborate explanation. She needed three respectful paragraphs and the confidence to send them.

Declining professionally is a small task with an outsized emotional cost. Many people overexplain because they think a firm “no” requires a courtroom defense. It usually does not. A good decline thanks the person, states the decision plainly, offers a brief reason if appropriate, and suggests an alternative only when that alternative is genuine. The goal is kindness without creating a negotiation.

Here is the exact prompt to use:

Copy and paste this into ChatGPT or Claude:

> Help me write a professional email declining a request. > > The person’s name is: [name]. > > My relationship with them is: [manager, colleague, client, former colleague, community contact, etc.]. > > They asked me to: [describe the request]. > > I need to decline because: [give the real reason in plain language]. > > I want the tone to be: warm, respectful, direct, and not overly apologetic. > > I would like to preserve the relationship, but I do not want to imply that I may reconsider unless I truly might. > > A possible alternative, if appropriate, is: [offer one, or write “none”]. > > Please write: > > 1. One email of 100 words or fewer. > 2. A clear subject line. > 3. No invented excuses, exaggerated praise, or promises I did not make. > 4. No language that invites the person to persuade me after I have declined. > 5. If my reason is too personal to include, replace it with a tactful, honest sentence that protects my privacy. > > After the draft, briefly explain which sentence states the decision and which sentence preserves goodwill.

Why this prompt works: It supplies the relationship, the request, the reason, and the desired emotional balance. Those details matter because a message to a close colleague should not sound like a legal notice, while a message to a client should not sound casual. The instruction to avoid invented excuses keeps the email honest. Limiting the length prevents the familiar spiral in which one sentence of explanation becomes an autobiography. Asking AI to identify the decision sentence gives you a simple editing test: if the “no” is buried, the email probably needs revision.

Know someone who spends too long on things AI could do in two minutes? Forward this to three people who subscribe and I will send you my free AI Prompt Starter Pack: 20 ready-to-use prompts for everyday life.

By Dr. Rowan Hayes