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A few quick numbers and a rough target — about a minute. You can make it more personal afterwards.
Financial assets only — leave out your home unless you'd sell it.
I want to stop working around and spend about a month (today's money).
Rough targets are fine. You can fine-tune both — or ask the model to find your earliest possible age — when you add detail.
Assumes a balanced 70/30 equity–debt mix and planning through age 90, and a background chance of a health-cost shock and a career break so the odds aren't a smooth path. You can adjust every assumption after you see the result.