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Windfall / Bonus Planner

A bonus, inheritance, or tax refund is easy to waste — here is a priority order that puts it to work.

Your windfall

Enter your numbers below. Nothing is saved — the plan appears when you hit Calculate.

$

Your bonus, tax refund, inheritance — the total before tax or fees.

$

Credit cards or other high-rate balances. Enter 0 if you have none.

$

Housing, food, transport, minimum bills — the must-pays each month.

Informational only — it shapes the walkthrough, not the math.

Calculations stay in this tab.

$
Give every dollar a jobEnter your numbers, hit Calculate, and see your windfall split into four priority buckets.

Your windfall plan

The walkthrough

Method

Priority waterfall

The windfall fills each bucket in order: (1) high-interest debt payoff, up to the full balance; (2) emergency buffer top-up, up to three months of your essential expenses; (3) whatever remains is split between investing and fun money.

The 90/10 split

After debt and the buffer are covered, 90% of the remainder is earmarked for investing and 10% for guilt-free fun spending. Amounts are rounded to whole dollars.

What is excluded

Taxes on the windfall

Cash bonuses are typically withheld before they reach you; inheritances and gifts vary widely by state and situation. This planner uses the amount you enter as-is.

Employer 401(k) match and investment picks

Matching contributions, asset allocation, and specific investments are outside this planner — the investing bucket is a dollar amount, not advice on what to buy.

Last reviewed: October 2026.

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