Two buildings, same money in. The newer one costs less to keep up; the older one may show a higher headline return. This shows what you actually pocket after maintenance — and how a thin edge on the old building can vanish as upkeep creeps. Change any number and everything updates. Return = gross rental yield on price; maintenance is taken out of the rent.
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| End of year | Building A (new) | Building B (old) | Lead |
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Here return = gross rental yield on price, and maintenance is subtracted from it (so the maintenance % actually bites). If your figures are already net of maintenance, set maintenance to 0.