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Case №10 · MONEY · 60 MIN · MEDIUM

Set Up a Budget That Runs Itself

Budgets fail because they need daily decisions. This one needs one decision — on salary day, money splits itself before you can touch it.

AI or DIY?

OUTCOME: Automatic splits on salary day, a guilt-free spending number, and savings that grow without willpower.

Document A

The Spec Sheet

> for the machine · speed · precision

AI audits your spending pattern and designs the split ratios.

Required

  • ChatGPT / Claude
  • Your bank's monthly statement (redacted)
  1. 1

    Baseline your reality

    Redact and paste 2 months of statements. Prompt: "Categorize this spending, calculate averages, and tell me my top 3 leak categories. Be blunt."

  2. 2

    Design your split

    Follow up: "Propose a salary split (needs/wants/future) based on my actual spending, not textbook percentages. I want to save [goal amount] monthly."

  3. 3

    Stress-test it

    "What breaks this budget first if rent rises 10%? What's my emergency-fund gap?" Fix the fragile parts now, not in a crisis.

  4. 4

    Automate the moves

    Set standing instructions on salary day: auto-transfer to savings/RD, auto-pay bills. Your spending account gets what's left — that's the budget.

EFFICIENCY NOTE: Turns a weekend of spreadsheet guilt into one focused hour with a personalized plan.

Document B

The Worksheet

— for your hands · craft · patience

The envelope method, digitized: separate accounts do the enforcing.

Materials

  • 2–3 bank accounts (or one account + one wallet app)
  • Standing-instruction access
  • One hour on salary day (once)
  1. 1

    Split accounts by job

    Account 1: bills & rent. Account 2: daily spending. Account 3: savings — no debit card attached, ideally a different bank so transfers take a day (friction is a feature).

  2. 2

    Automate on salary day

    Standing instructions move money the morning it arrives. Bills paid from 1, you spend from 2, you never see 3.

  3. 3

    One number to rule them all

    Your only daily job: keep account 2 positive till month-end. No category tracking, no app nagging — one number.

  4. 4

    Monthly 10-minute review

    Calendar reminder: check savings grew, check account 2 didn't need a bailout. Adjust next month's split by ₹500 increments, not revolutions.

OLD-HAND TIP: The account you can't see is the account you can't spend. Distance beats discipline every time.

// the verdict

Filed & Decided

DIY is the backbone — account splitting does 90% of the work for free. AI is the consultant who sets honest numbers on day one.

// common failure modes

  • Budgeting to an ideal month instead of your real spending history
  • Savings account with a debit card attached (it will be used)
  • Tracking 30 categories daily — the system should need minutes per month, not hours

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