Managing Debt Wisely

Some debt helps you build wealth. Some debt destroys it.

Good Debt (leverages your future earnings):
- Education loan (10-12%) — increases your earning potential
- Home loan (8-9%) — builds an asset, tax benefits
- Business loan (10-15%) — can generate returns higher than interest

Bad Debt (consumes without creating value):
- Credit card debt (36-42% APR!) — the most expensive debt
- Personal loans for consumption (12-18%) — borrowing to spend
- Loans for depreciating assets (car loans for luxury cars)
- Buy-now-pay-later (BNPL) — easy to overspend

The rule: If the interest rate is above 15%, it's almost certainly bad debt. Pay it off ASAP.

If you have multiple debts, two strategies help you pay them off:

Avalanche Method (mathematically optimal):
1. List all debts by interest rate (highest first)
2. Pay minimum on all
3. Put extra money toward the highest-interest debt
4. When that's paid off, move to the next highest

Example:
- Credit card: ₹50,000 at 36%
- Personal loan: ₹1,00,000 at 14%
- Education loan: ₹3,00,000 at 11%

→ Attack credit card first, then personal loan, then education loan.

Snowball Method (psychologically motivating):
1. List all debts by balance (smallest first)
2. Pay minimum on all
3. Put extra money toward the smallest balance
4. When that's paid off, move to the next smallest

→ Attack ₹50K credit card first (quick win), then ₹1L personal loan, then ₹3L education loan.

Vikram, 30, had:
- Credit card: ₹80,000 at 36%
- Personal loan: ₹2,00,000 at 14%
- Car loan: ₹4,00,000 at 9%

His salary: ₹65,000/month. He was paying ₹15,000/month just in EMIs.

His plan (avalanche method):
1. Minimum on car loan: ₹8,000
2. Minimum on personal loan: ₹5,000
3. Everything else (₹20,000) → credit card

Timeline:
- Month 1-5: Credit card paid off (saved ₹28,800 in interest)
- Month 6-15: Personal loan paid off (saved ₹12,000 in interest)
- Month 16-35: Car loan paid off

Result: Debt-free in 35 months instead of 60+ months. Saved ₹40,000+ in interest. Now that ₹20,000 goes to SIPs.

Credit cards are useful tools if used correctly. Here's how:

DO:
- Pay the FULL amount every month (not just minimum)
- Use the interest-free period (45-50 days)
- Earn rewards/cashback on spending you'd do anyway
- Set up auto-pay for full amount

DON'T:
- Pay only the minimum (2-3% of balance) — you'll pay 36%+ interest on the rest
- Withdraw cash from credit card (2-5% fee + immediate interest)
- Use credit card for EMI purchases unless 0% interest
- Have more than 2-3 cards (hard to track)

Golden rule: If you can't pay for something in cash, you can't afford it on credit card either.

Should you prepay your loan or invest the money? Compare:

Prepay if:
- Loan interest rate > expected investment returns
- It's a high-interest loan (credit card, personal loan)
- You want peace of mind (psychological benefit)
- You're close to paying it off

Invest if:
- Loan interest rate < expected investment returns
- It's a low-interest loan (home loan at 8%, education loan at 11%)
- You're young and have time for compounding

Home loan special case:
Home loan at 8.5% with tax benefits effectively becomes ~6.5%. If your SIPs earn 12%, investing beats prepaying. But if you're risk-averse, prepaying gives guaranteed "returns" equal to your interest rate.