Updated: 4 November 2026

Decide on a big purchase without regret

This prompt helps you think through a big purchase, with your reasons, budget and alternatives, so you buy or wait with confidence.

text-big-purchase-decision — chatgpt — 61 words

I am thinking of buying [ITEM] for about [PRICE].

Why I want it: [REASONS]
My budget for it: [BUDGET]
Alternatives I have seen: [ALTERNATIVES]

Ask me five questions to test whether I really need it, calculate the cost per use over [YEARS] years, compare it with the alternatives including doing nothing, and give me a clear recommendation with the strongest counter-argument.

Edit in the builder Copy & open ChatGPT ↗Copy & open Gemini ↗Copy & open Claude ↗

Wait 48 hours after the AI recommendation before buying; the urge often fades.

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What you will get

Five sharp questions to test your need, a cost-per-use figure over the years you choose, a comparison with the alternatives including buying nothing and a clear recommendation with the best argument against it.

Common mistake

You answer the five questions in a way that confirms what you already wanted.

Fix: Answer them as if advising a friend. If a reason is only about how it looks or feels, say so plainly.

Also watch for

Cost per use ignores running costs. Add servicing, insurance, accessories and subscriptions to the price line, and be realistic about how often you will really use it.
You buy straight after the recommendation. Follow the tip and wait 48 hours. If you still want it after that, buy it with a clear conscience.

Try a variation: buy, rent or borrow

Add “also compare renting, borrowing or buying second-hand, with the total cost over my time frame”. It often changes the answer for items used a few times a year.

Still not right? Reply with this

Give me the strongest argument against buying it and one cheaper way to get most of the same benefit.