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True Cost of a Major Purchase Prompt

1The Prompt Template

I am considering buying a [item, e.g., $30,000 car]. Help me calculate the TRUE cost of ownership over [number] years. Include the purchase price, estimated financing costs at [interest rate], estimated annual maintenance, insurance increases, depreciation curve (what will it be worth in X years?), and the opportunity cost of putting this money into the market instead of buying the item. Is this purchase financially sound given my $ [amount] monthly take-home pay?

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