August has a way of making people take stock. One reader is staring at a secondhand SUV listing at 9:10 p.m. and wondering if the deal is real; another is trying to turn down a speaking invitation without sounding cold or ungrateful. Those are both good moments to use AI, not because it can replace judgment, but because it can help you think more clearly, write more cleanly, and avoid the kind of rushed decision or awkward email that nags at you later.

Try at least one before Sunday. That is the whole assignment.

Use Case 1 of 2

Use Case 1: researching a major purchase decision

On Tuesday at 7:40 p.m., Linda, 58, is sitting at her kitchen table with three tabs open and a pen in her hand. She has been saving for years and is finally ready to replace her aging car. The problem is not that she lacks information. It is that she has too much of it: one dealer says the hybrid is “the smartest choice,” her brother swears by used certified models, and every review site seems to contradict the next one. What Linda needs is not more noise. She needs a way to sort the facts, compare tradeoffs, and come away with a clear question list before she spends five figures on a purchase she will live with for years. That is where a good AI prompt helps. It can act like a disciplined research assistant, not a salesperson.

Here is the exact prompt to use:

Copy and paste this into ChatGPT or Claude:

```text I am deciding whether to buy [specific item] and I want help researching it carefully before I spend money.

My situation: - Budget: [amount] - What I need it to do: [3 - 5 specific needs] - What I care about most: [reliability / cost / ease of use / longevity / safety / resale value / etc.] - What I want to avoid: [repairs / complexity / hidden fees / regret / etc.] - Current options I am considering: [list options]

Please do all of the following: 1. Compare the options in plain English. 2. Point out the tradeoffs for a person in my situation. 3. List the questions I should ask before buying. 4. Identify any hidden costs, common mistakes, or red flags. 5. Tell me which option is most sensible if I want the safest choice, not the flashiest one.

Use a calm, practical tone. Do not try to sell me anything. If you are unsure about a fact, say so. If the answer depends on my location, budget, or usage, explain exactly what details matter. ```

Why this prompt works: It gives the AI a role, a job, and a frame for judgment, which matters because major purchases are not simple fact lookups. The prompt also forces comparison, hidden-cost thinking, and red-flag detection, which are the three things people often skip when they are tired or emotionally invested. Most important, it tells the AI to be practical instead of promotional, which keeps the answer grounded.

Use Case 2 of 2

Use Case 2: writing a professional decline email

On Thursday at 4:15 p.m., Marcus, 66, gets an email asking him to join a committee he respects but does not have the bandwidth for. He wants to decline politely, protect the relationship, and avoid the awkwardness that comes from either overexplaining or disappearing. This is exactly the kind of task where AI can save time without lowering standards. A decent decline email is not about clever wording; it is about tone, clarity, and leaving the door open if appropriate. AI helps most when you tell it the relationship, the level of firmness, and the reason you want the email to feel the way it does.

Here is the exact prompt to use:

Copy and paste this into ChatGPT or Claude:

```text Write a professional decline email for me.

Context: - I am declining: [invitation / request / opportunity] - The person is: [boss / colleague / client / volunteer organizer / other] - Our relationship is: [formal / friendly / long-standing / new] - I want the tone to be: [warm / brief / appreciative / firm / diplomatic] - My reason for declining is: [too busy / not the right fit / already committed / personal bandwidth / etc.] - I do NOT want to sound: [rude / fake / overly apologetic / vague / overly detailed]

Please write: 1. A subject line. 2. The email itself. 3. Two alternative versions: one warmer, one shorter and more direct.

Requirements: - Keep it professional and natural. - Thank them sincerely. - Decline clearly without overexplaining. - Do not invent excuses for me. - If appropriate, leave the relationship open for future contact. ```

Why this prompt works: It tells the AI what kind of refusal you need, which matters because a decline email has to balance courtesy and clarity. It also names the tone you want to avoid, which is surprisingly useful; “not too apologetic” and “not overly detailed” are the kinds of instructions that prevent the draft from becoming mushy or defensive. Asking for two versions gives you a choice instead of forcing you to accept one voice that might not fit the situation.

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