Have you ever wondered why sometimes AI gives amazing answers… and other times completely misses the point?

The difference is often not the AI itself—but how we guide its thinking.

Over time, prompting techniques have evolved from: Simple step-by-step thinking

  • to exploring multiple ideas
  • to logical reasoning
  • to self-improvement
  • to fully connected thinking systems

In this blog, we’ll break down 5 powerful prompting techniques:

And instead of keeping it theoretical, we’ll start with a real-life use case to see how these techniques work in practice.

How to Use Them Together (Power Combo)

Here’s a super prompt structure combining everything:

Act as an expert problem solver.

Step 1 (CoT): Break the problem step-by-step  
Step 2 (ToT): Generate multiple approaches  
Step 3 (LoT): Extract facts and apply logic  
Step 4 (IoT): Review and improve the answer  
Step 5 (DoT): Combine insights into final structured solution  

Provide a clear final recommendation.

Practical Prompt Example : Should I Buy a House or Continue Renting?

You are a financial advisor and strategic thinker.

Problem: I am deciding whether to buy a house or continue renting. I live in a city with high property prices, and I plan to stay for at least 5–10 years.

Step 1 (CoT - Chain of Thought):
Break down the problem step-by-step:
- Costs of buying (down payment, loan, maintenance)
- Costs of renting
- Time horizon considerations

Step 2 (ToT - Tree of Thought):
Generate at least 3 possible scenarios:
- Buy now
- Rent long-term
- Rent now, buy later
Evaluate each scenario briefly.

Step 3 (LoT - Logic of Thought):
Extract key financial rules and relationships:
- If interest rates are high → cost of buying increases
- If property appreciates → buying benefits
- If flexibility is important → renting benefits
Use logical reasoning to evaluate each scenario.

Step 4 (IoT - Iteration of Thought):
Review your analysis:
- Are there missing factors (tax, lifestyle, risk)?
- Are assumptions realistic?
Refine your reasoning.

Step 5 (DoT - Diagram of Thought):
Combine all insights:
- Compare financial, lifestyle, and risk factors
- Synthesize into a structured recommendation

Final Output:
- Clear recommendation (buy vs rent vs hybrid)
- Key reasons
- 3 actionable next steps

Practical Prompt Example : Should I Pay Off Debt or Invest My Money?

You are a financial advisor and strategic thinker.

Problem: I have extra money each month. I am unsure whether to use it to pay off debt (e.g., credit card / loan) or invest it (e.g., stocks, mutual funds).

Context:
- Debt interest rate: [insert %]
- Expected investment return: [insert %]
- Risk tolerance: [low / medium / high]
- Time horizon: [years]

Step 1 (CoT - Chain of Thought):
Break down the problem step-by-step:
- Cost of debt (interest paid over time)
- Potential investment returns
- Risk and volatility considerations

Step 2 (ToT - Tree of Thought):
Generate at least 3 strategies:
- Pay off debt first
- Invest first
- Split approach (part debt, part investing)
Briefly evaluate each.

Step 3 (LoT - Logic of Thought):
Apply financial logic:
- If debt interest > expected return → prioritize debt
- If return > debt cost → investing may be better
- If risk is high → safer option preferred
Use logical reasoning to evaluate each strategy.

Step 4 (IoT - Iteration of Thought):
Review your reasoning:
- Are assumptions realistic?
- Are risks (market crash, job loss) considered?
Refine your analysis.

Step 5 (DoT - Diagram of Thought):
Combine all insights:
- Compare financial, psychological (peace of mind), and risk factors
- Synthesize into a clear recommendation

Final Output:
- Best strategy (debt vs invest vs hybrid)
- Key reasoning
- 3 actionable next steps

The output of the two prompts runs ( Ran on ChatGPT ) is at the end of the blog. But before that lets understand what these individual prompting techniques do and how they create a powerful combination.


1. Chain of Thought (CoT): Step-by-Step Thinking

What it is

Chain of Thought makes AI think step-by-step instead of jumping to an answer.

Simple Analogy

Like solving a math problem line by line

Example Prompt

Solve this step by step and explain your reasoning.

Refer Detailed Blog for more example.

When to Use

  • Math problems
  • Simple reasoning
  • Explanations

Limitation

Still linear—if one step is wrong, everything breaks


2. Tree of Thought (ToT): Exploring Multiple Paths

What it is

Instead of one path, AI explores multiple possible approaches.

Analogy

Like exploring different paths in a maze

Example Prompt

Generate 3 possible solutions, evaluate each, and choose the best one.

Refer Detailed Blog for more example.

When to Use

  • Creative thinking
  • Strategy
  • Problem solving

Limitation

Doesn’t always ensure logical correctness


3. Logic of Thought (LoT): Reasoning with Rules

What it is

AI breaks problems into facts and logical rules, then derives conclusions.

Analogy

Like solving a puzzle using rules

Example Prompt

Extract facts, apply logical rules, and derive the conclusion.

Refer Detailed Blog for more example.

When to Use

  • Logical puzzles
  • Analytical reasoning
  • Legal/structured thinking

Limitation

Can feel rigid and less creative


4. Iteration of Thought (IoT): Improving Answers

What it is

AI reviews and improves its own answers over multiple iterations.

Analogy

Like writing and editing a draft

Example Prompt

Provide an answer, review it, and improve it step by step.

Refer Detailed Blog for more example.

When to Use

  • Writing
  • Strategy
  • Refinement tasks

Limitation

Needs guidance to avoid endless loops


5. Diagram of Thought (DoT): Connecting Everything

What it is

AI builds a network of ideas, critiques them, refines them, and combines them.

Analogy

Like a mind map with feedback loops

Example Prompt

Propose ideas, critique them, refine, and combine into final answer.

Refer Detailed Blog for more example.

When to Use

  • Complex decisions
  • Strategy
  • Multi-step reasoning

Limitation

Slightly more complex to prompt


How They All Connect

Think of this as an evolution:

TechniqueThinking StyleStrength
CoTLinearClarity
ToTBranchingExploration
LoTLogicalAccuracy
IoTIterativeImprovement
DoTConnectedDepth + Balance

When we combine these techniques together we get a powerful prompting framework.

Prompt Run (ChatGPT) : Should I Buy a House or Continue Renting?

Here’s the clean decision analysis, using your requested structure.

1) Chain of Thought

A. Costs of buying

Buying usually involves three big buckets of cost:

Upfront cash

* Down payment
* Closing costs, which are often around 2%–5% of the purchase price, separate from the down payment  

Monthly ownership cost

* Mortgage payment
* Property taxes
* Homeowners insurance
* Possible mortgage insurance, depending on loan structure
* HOA/management fees if applicable
* Ongoing repairs and maintenance

Consumer finance guidance also stresses that the mortgage payment alone is not the full cost of ownership; loan fees, taxes, insurance, and other housing expenses matter materially.  

Opportunity cost

* Your down payment is money that could otherwise stay invested or liquid
* In a high-price city, this opportunity cost can be large

B. Costs of renting

Renting is usually simpler financially:

* Rent
* Security deposit
* Renters insurance
* Utilities and moving costs
* Less exposure to repair surprises and capital expenses

The main hidden “cost” of renting is that you do not build home equity, but the main benefit is flexibility and lower financial lock-in.

C. Time horizon

Your 5–10 year horizon is the key swing factor.

* If you stay only around 5 years, buying has less time to recover upfront costs
* If you stay closer to 10 years, buying becomes more attractive because you spread transaction costs across more years and have more time for appreciation and principal paydown to help

So your time horizon is long enough that buying is viable, but not automatically better.

⸻

2) Tree of Thought

Scenario 1: Buy now

Pros

* Locks in housing
* Builds equity over time
* Potential upside if property values rise
* Reduces risk of rent inflation

Cons

* Large upfront cash requirement
* Expensive if interest rates are high
* Less flexibility if your life or job changes
* Repair and maintenance risk

Best fit

* You have stable income
* Strong emergency fund after down payment
* You expect to stay closer to 8–10 years than 5
* The monthly ownership cost is not stretching you

Scenario 2: Rent long-term

Pros

* Maximum flexibility
* Lower upfront commitment
* Easier to preserve cash for investing or business opportunities
* Lower exposure to housing-market and repair risk

Cons

* No equity creation
* Subject to rent increases
* Less control over the property

Best fit

* You value optionality
* Your city is very expensive relative to rent
* You can invest the savings consistently
* Career or family plans may change

Scenario 3: Rent now, buy later

Pros

* Preserves flexibility today
* Lets you build a bigger down payment
* Gives time for rates, prices, or your own finances to improve
* Reduces chance of rushing into an overpriced purchase

Cons

* You may face higher prices later
* Continued rent outflow
* Easy to “wait forever” and never act

Best fit

* You want to buy eventually, but current numbers are tight
* You are not yet fully confident about location, budget, or job stability
* You need 12–36 months to strengthen cash reserves

⸻

3) Logic of Thought

Here are the core rules.

Rule 1

If interest rates are high, buying becomes less attractive because more of your monthly payment goes to interest, and affordability worsens. Freddie Mac notes mortgage payments versus rents have been elevated relative to pre-pandemic levels.  

Rule 2

If property prices appreciate meaningfully over your holding period, buying becomes more attractive because you benefit from both appreciation and gradual principal repayment.

Rule 3

If flexibility matters, renting becomes more attractive because it lowers switching costs and reduces commitment.

Rule 4

If buying would deplete your cash buffer, renting is safer because homeowners face upfront closing costs and recurring non-mortgage costs. CFPB and Freddie Mac both emphasize that cash-to-close is more than just the down payment.  

Rule 5

If total housing cost would push your debt burden too high, buying is risky. FDIC notes many lenders prefer total monthly debt payments at or below about 36%–40% of gross income.  

Applying the logic

* If buying now leaves you house-rich but cash-poor, that is a red flag
* If renting is much cheaper than owning the same kind of property, renting plus investing the difference can be a very strong strategy
* If owning is only modestly more expensive, and you want stability for 8–10 years, buying becomes more compelling

⸻

4) Iteration of Thought

Here are the missing factors that often change the answer.

Tax

Tax treatment can matter a lot, but it depends entirely on country and city. In some places, there are meaningful homeownership incentives; in others, not much.

Lifestyle

Buying is not just a spreadsheet decision.
Ask:

* Do you want stability and control?
* Do you dislike moving?
* Do you need flexibility for work, schooling, or family?

Risk

Buying adds:

* interest-rate risk if borrowing is floating/refinancing later
* property-market risk
* repair and special-assessment risk
* concentration risk if too much of your net worth goes into one home

Realism check

In a high-price city, the most common mistake is assuming “buying is always smarter.” That is not true when:

* price-to-rent ratios are very high
* mortgage rates are elevated
* you may move before 7–8 years
* the purchase drains liquidity

In those cases, renting can be the more rational wealth-building choice.

⸻

5) Diagram of Thought

Financial

* Buy if total ownership cost is manageable, you can keep a solid emergency fund, and you expect to stay long enough to offset upfront costs
* Rent if rent is materially cheaper than owning and you can invest the difference with discipline
* Hybrid if you want ownership eventually but current conditions are not yet attractive

Lifestyle

* Buy if stability, control, and permanence matter more
* Rent if flexibility and optionality matter more

Risk

* Buy if your income is stable and cash reserves remain strong after purchase
* Rent if job, visa, family, or location uncertainty is still meaningful

⸻

Recommendation

My recommendation: rent now, buy later — unless the numbers already work comfortably today.

That is the strongest default answer for someone in a high-price city with a 5–10 year horizon and no evidence yet that current ownership costs are clearly favorable.

Why

1. High-price markets punish rushed buying. Upfront cash, closing costs, and ongoing ownership costs are substantial.  
2. A 5–10 year horizon is borderline, not automatic. At 10 years, buying can work very well; at 5 years, the case is often weaker.
3. Flexibility has real value. Renting preserves liquidity and lets you avoid locking into an expensive purchase at the wrong time.
4. Buying only wins when the full numbers work, not just the emotional appeal of ownership.

When I would switch this recommendation to “buy”

I would lean to buy now if all of these are true:

* You will likely stay 8–10 years
* Monthly ownership cost is not straining your budget
* You can make the down payment and still keep a healthy emergency fund
* The property suits long-term needs
* Renting a comparable home is not dramatically cheaper

⸻

3 actionable next steps

1. Run a true monthly comparison

Compare:

* Rent
    vs.
* All-in ownership cost = mortgage + taxes + insurance + maintenance + HOA + expected repairs

Do not compare rent only to the mortgage payment.

2. Stress-test the purchase

Before buying, check:

* Can you still hold 6–12 months of core expenses in reserve?
* Would the purchase still feel safe if income dropped temporarily or costs rose?
* Is your total monthly debt burden still reasonable? FDIC notes many lenders prefer roughly 36%–40% DTI or below.  

3. Set a “buy trigger”

If you keep renting, define objective triggers such as:

* down payment reaches X
* emergency fund reaches Y
* ownership cost falls within Z% of rent
* you are confident you will stay at least 8 years

That prevents endless delay while keeping the decision rational.

Prompt Run (ChatGPT) : Should I Pay Off Debt or Invest My Money?

Here’s a structured way to decide.

1) Chain of Thought

A. Cost of debt

Debt creates a guaranteed negative return equal to its interest rate. If you carry a credit card balance, paying more than the minimum reduces interest costs and helps you get out of debt faster. CFPB notes that paying more than the minimum lowers total interest paid, and SEC guidance says few strategies pay off as well, with less risk, as eliminating high-interest debt.  

B. Potential investment returns

Investing can compound over time, which is why long-term investing is powerful. But expected returns are not guaranteed, and market values can fall, sometimes sharply, before recovering. SEC guidance emphasizes long-term diversified investing for growth, but that is different from a certain return.  

C. Risk and volatility

Paying off debt gives a certain benefit equal to the avoided interest. Investing gives an uncertain benefit that depends on market performance. So the decision is not just “which percentage is higher,” but also “how certain is that outcome” and “can you handle volatility.” SEC and FINRA both emphasize getting financial basics in order before taking investment risk.  

⸻

2) Tree of Thought

Strategy 1: Pay off debt first

Best when

* Debt is high-interest, especially credit cards
* You want certainty and peace of mind
* Your risk tolerance is low
* You do not yet have a solid emergency fund

Pros

* Guaranteed return equal to the debt rate
* Reduces financial stress
* Improves monthly cash flow once debt is gone

Cons

* You may delay wealth-building in the market
* You could miss market upside in the short run

SEC and FINRA both explicitly prioritize paying off high-interest debt before investing.  

Strategy 2: Invest first

Best when

* Debt rate is low
* You already have emergency savings
* Your time horizon is long
* Your risk tolerance is medium to high

Pros

* Starts compounding earlier
* Better chance of long-run wealth growth
* Keeps money working for future goals

Cons

* Market returns are uncertain
* You still keep paying interest on the debt
* Can backfire if the debt rate is high or variable

Strategy 3: Split approach

Best when

* Debt is moderate, not extreme
* You want both progress and flexibility
* You are psychologically motivated by balance

Pros

* Reduces debt while building investing habit
* Lowers regret from choosing only one path
* Works well when the comparison is not obvious

Cons

* Slower debt payoff
* Slower portfolio growth
* May be less optimal mathematically than a decisive strategy

⸻

3) Logic of Thought

Rule 1

If debt interest rate is higher than your realistic expected after-tax investment return, prioritize debt payoff.
That is because debt savings are effectively guaranteed, while investment returns are uncertain. SEC guidance strongly supports paying off high-interest debt first.  

Rule 2

If expected long-term return is higher than the debt cost, investing can make sense — but only if you can tolerate risk and already have financial basics covered.
FINRA advises having enough money for bills and an emergency fund before taking investment risk.  

Rule 3

If risk is high or job/income is uncertain, the safer option is usually debt reduction plus liquidity.
FINRA recommends keeping emergency funds in a safe, accessible place and suggests 3–6 months of expenses as a goal.  

Rule 4

Credit card debt is usually treated differently from low-rate installment debt.
Consumer finance guidance repeatedly treats high-interest revolving debt as urgent because interest costs compound quickly and minimum payments can keep you in debt for a long time.  

⸻

4) Iteration of Thought

Here are the assumptions to test.

Are assumptions realistic?

* “Expected investment return” should be treated as a range, not a promise.
* Debt cost is often more certain than market return.
* If your debt is variable-rate, its cost may rise further.

Are key risks considered?

Yes, but three are especially important:

Market crash risk
If you invest and markets fall, you may regret not reducing debt first.

Job loss risk
If income drops, debt payments become heavier. This is why emergency savings matter before aggressive investing.  

Behavior risk
Some people sleep better with less debt. That matters. A mathematically “better” plan can fail if it is emotionally hard to stick with.

Refined conclusion

The smartest default sequence is often:

1. Build or protect a basic emergency fund
2. Eliminate high-interest debt
3. Then invest aggressively for long-term goals

That sequence is closely aligned with SEC and FINRA guidance.  

⸻

5) Diagram of Thought

Financial

* Debt payoff wins when APR is high and guaranteed savings outweigh uncertain returns
* Investing wins when debt is low-cost, horizon is long, and volatility is acceptable
* Hybrid wins when the numbers are close or behavior matters more than perfect optimization

Psychological

* Debt payoff gives relief, simplicity, and certainty
* Investing gives a sense of growth and future progress
* Split approach reduces all-or-nothing regret

Risk

* Debt payoff lowers fixed obligations
* Investing raises market exposure
* Emergency cash reduces fragility

⸻

Best strategy

Best default strategy: pay off high-interest debt first, then invest.

Why

* High-interest debt creates a guaranteed drag on your finances. SEC says few investment strategies pay off as well, or with less risk, as eliminating high-interest debt.  
* Investment returns are uncertain, while avoided interest is certain.  
* If you do not yet have an emergency fund, that should come before aggressive investing, because FINRA recommends 3–6 months of accessible savings as a goal.  

When I’d choose a hybrid instead

A split approach is often best if:

* the debt is moderate or low-rate,
* you already have emergency savings,
* and you want to keep building an investing habit while still reducing debt.

Example logic:

* Credit card at very high APR → mostly debt payoff
* Student/home/other low-rate loan → more room to invest alongside payments

When I’d choose investing first

Only when:

* debt is genuinely low-cost,
* you have stable income,
* you already hold emergency reserves,
* and you can tolerate market swings.

⸻

3 actionable next steps

1. Classify your debt by interest rate

Use this simple rule:

* High-interest debt: prioritize payoff
* Low-interest debt: consider investing or a split strategy
* Mixed debts: pay highest-rate balances first

2. Protect your cash buffer

Before aggressive investing, aim for at least a starter emergency fund, and ideally work toward 3–6 months of expenses in accessible savings.  

3. Use a decision rule for each extra dollar

A practical rule:

* First: minimum payments on all debts
* Second: emergency fund
* Third: extra money to highest-interest debt
* Fourth: once high-interest debt is gone, redirect that amount into long-term investing

If you share your actual numbers for:

* debt interest rate,
* expected return,
* risk tolerance,
* and time horizon,

I’ll turn this into a precise recommendation with a simple percentage split.

Want to learn more about Prompt Engineering !


Discover more from Debabrata Pruseth

Subscribe to get the latest posts sent to your email.

Scroll to Top