Should you buy or rent? Weigh your actual numbers, not the cliché
"Rent is money down the drain" is a slogan, not an analysis. Whether buying beats renting depends on your numbers: price-to-rent in your market, deposit and transaction costs, interest rates, how long you will realistically stay, and what the deposit would earn invested elsewhere. Sometimes buying wins decisively. Sometimes renting quietly does.
Decidi puts your actual case to a council instead of a cliché. A Real-Estate Advisor works the local market logic, a Financial-Planning Coach weighs the deposit against its alternative use, an Economist stress-tests the rate and price assumptions, and a Devil’s Advocate argues whichever side you walked in leaning toward — across several independent frontier models. You get a verdict grounded in your figures and horizon: which option wins under your assumptions, what has to be true for it to hold, and the break-even that flips it — reviewed by a Final QA audit. Decision support to take to your adviser, not financial advice.
- Your actual numbers weighed — price, rent, rates, deposit, horizon — not a rule of thumb
- The full cost of buying counted: transaction costs, maintenance, the deposit’s alternative return
- The case for the side you are not leaning toward, argued properly
- The break-even named: how long you must stay for buying to win
- What would flip the answer — rates, prices, your plans — made explicit
- A clear verdict with its assumptions listed, ready to check with a professional
Part of: How Decidi works
A verdict on your case: which option wins under your numbers and horizon, the break-even point that flips it, and the assumptions to verify before you commit.
Common questions
Is buying always better than renting?
No. Buying wins when you stay long enough for equity and appreciation to outrun the heavy entry and exit costs, and when price-to-rent in your market is reasonable. Renting wins when you may move within a few years, when prices are stretched relative to rents, or when the deposit earns more invested elsewhere. It is a numbers question, not a virtue question.
What actually decides the buy-vs-rent answer?
A handful of variables: the price-to-rent ratio where you live, mortgage rate versus realistic returns on the deposit invested elsewhere, transaction costs against how many years you will stay, maintenance and ownership costs, and your tolerance for being illiquid. Decidi works through each with your figures and shows which ones drive the verdict.
Is this financial advice?
No. Decidi is decision support — a structured, multi-model analysis of your situation to sharpen your thinking and your questions. It is not regulated financial or mortgage advice, and a decision this large deserves a qualified adviser; the council’s output makes that conversation better-informed.
What if I do not know all my numbers yet?
Bring what you have. The council states the assumptions it fills in, shows how sensitive the verdict is to each, and tells you which missing number matters most — so you know exactly what to find out before deciding, instead of guessing at everything equally.
Try it on your own decision
Put your question to a council of GPT, Claude, Gemini and Grok — they debate it, a Final QA audit reviews it, and you get one clear verdict. 1,500 free credits to start — no sign-up, no card required.
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