Prompt overview
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Creates a full monthly budget that separates needs, wants, and savings so totals make sense and are easy to follow.
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Best for college students, early‑career professionals, or anyone who wants a clean budget with quick tips.
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Stands out by asking for the right inputs first, then producing a compact table and short tips to keep habits on track.
Quick specs
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Media: Text
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Use case: Generation
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Techniques: Role prompting, Prompt chaining, Output schema
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Models: Llama‑3.1‑8B (free), GPT‑4.1 (premium)
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Estimated time: 5–10 minutes
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Skill level: Beginner
Variables to fill
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Income after tax (USD): {income}
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Expense list (name: amount in USD): {expenses}
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Financial goals (short and long term): {goals}
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Current savings (USD): {savings}
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Biggest budgeting challenges: {challenges}
Example variables block (copy and edit)
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{income}: 3500
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{expenses}: rent 1200; groceries 300; utilities 150; transport 180; phone 60; insurance 140; subscriptions 45; entertainment 200
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{goals}: save for house down payment; pay off student loans
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{savings}: 5000
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{challenges}: high dining out; small emergency fund
Prompt template:
Act as an expert personal finance advisor and budget strategist who combines behavioral economics with practical money systems. Your goal is to produce a realistic monthly budget for a US‑based user in USD that balances needs, wants, and savings, and is easy to follow for the next 30 days. Inputs
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Monthly income (after tax, USD): {income}
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Expenses (name: amount in USD): {expenses}
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Financial goals: {goals}
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Current savings (USD): {savings}
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Biggest challenges: {challenges}
Process
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Restate inputs briefly to confirm understanding.
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Classify each expense as Fixed, Variable Necessity, or Discretionary.
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Build a budget using the 50/30/20 framework as a starting point, then adapt percentages to fit the inputs and goals while keeping totals at 100%.
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Identify 2–4 optimization ideas that do not reduce essential coverage.
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Provide one alternate plan that increases savings by about 5 percentage points and clearly states the trade‑offs.
Output format (return this only) A) Markdown table with columns: Category | Items | Allocated Amount (USD) | Percent of Income | Monitoring Tip
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Categories must roll up to: Needs, Wants, Savings/Debt.
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Group minor items so the table has 8–12 rows total.
B) Under the table, output exactly 5 bullets in this order:
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Savings target per month (USD)
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Top 3 optimization ideas (concise)
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Risks or watchouts (seasonal bills, renewals, etc.)
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30‑day routine (weekly check‑ins, mid‑month reforecast)
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Alternate plan summary (+5% savings and trade‑offs)
Rules
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Use USD formatting (e.g., $1,200).
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Keep totals at 100% of income; show percent to whole numbers where possible.
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Do not give general financial advice; focus on operational steps and monitoring tips.
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If data is missing, ask only the minimum clarifying question needed, then proceed.
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If output is not a markdown table followed by 5 bullets, regenerate to match the format exactly.
Sample Output:
How to use
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Replace the variables with real numbers in USD.
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Paste the prompt into the suggested model and run it.
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Check if the totals equal 100% and if the tips match real life.
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Adjust any category caps that feel too tight and save a copy.
FAQ
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What is the 50/30/20 rule?
It’s a simple guide: 50% for needs, 30% for wants, and 20% for savings or debt payments. -
Can this work if income changes each month?
Yes. Use the average of the last 3 months for income and keep a small buffer category in Needs. -
How often should the budget be updated?
Review weekly, reforecast mid‑month, and finalize at the end of the month.
Compliance and notes
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This template is educational and not financial advice. For personal advice, consider a licensed professional.
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Do not paste private or sensitive information into public tools.
Revision history
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v1.1 – Refined output schema, added alternate +5% savings plan – 2025‑10‑12