Whether it's a car, a wedding, a renovation or a once-in-a-lifetime trip, 'can I afford it?' almost never means 'is there enough in my account today?' The money's often there. The real question is what the purchase does to everything else — your cashflow, your safety buffer, and the plan you're building for years ahead.
The three tests that actually answer it
1. The cashflow test. Can your monthly budget absorb the ongoing cost without going into the red? A car isn't its sticker price — it's insurance, fuel, maintenance, tax and (if financed) monthly repayments. A one-off looks cheap; the tail of recurring costs is what bites.
2. The buffer test. After paying, do you still have your emergency fund intact? Draining your liquidity to buy something leaves you one surprise away from debt. If the purchase eats your safety net, you can't yet afford it — however tempting.
3. The trade-off test. Every pound spent here is a pound not invested. The honest cost of a big purchase includes what that money would have grown into over the years. Sometimes it's clearly worth it; the point is to decide with that number in view, not hidden.
"Afford" is a future question, not a today question
A purchase you can technically afford today can still knock your retirement date back or shrink your net worth years out. The only way to see that is to project it — put the purchase into your plan and watch what happens downstream.
That's what Dispono is for: add a one-off cost (or a new recurring expense) and its Cashflow and Insights show the effect on your buffer, your monthly headroom, and your long-term net worth. You can even model it as a Scenario alongside "don't buy" and compare the two paths directly.
Figures and projections are illustrative estimates, not guarantees, and this guide is not financial advice. Discuss decisions with a licensed advisor.