The Saving For Future Spending Jar is a simple approach to saving for planned future expenses—whether it's a vacation, a car, a down payment, or any goal with a known timeline.

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How It Works:

Instead of letting your savings sit idle, you invest your monthly contributions in bonds with a maturity date matching when you'll need the money. This way, your savings earn interest over time, and you end up with more than what you contributed.

For example, if you need $10,000 in 5 years and bonds are paying 4% interest, you'll contribute about $167/month. But thanks to compound interest, you'll actually have around $11,100 at the end—over $1,100 earned just by choosing the right investment vehicle.

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How to Use This Calculator:

1. Target Amount — Enter how much money you'll need

2. Time Horizon — Enter how many years until you need it

3. Interest Rate — Enter the current yield on bonds matching your timeline

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The calculator will show your monthly contribution, total interest earned, and your final amount at maturity.