There are only two ideas you truly need to understand before investing: risk vs return, and compounding. Master these and most of investing falls into place. This is for learning only.
Return and risk always travel together
Nobody gives you a higher return for free. The rule is simple: the higher the possible return, the higher the risk. Rough long-term averages in India look like this:
| Where you put money | Rough long-term return | Risk |
|---|---|---|
| Savings account | 3–4% | Almost none |
| Fixed deposit | 6–7% | Very low |
| Gold | 9–10% | Medium |
| Equity (stocks / Nifty 50) | ~12% | Higher, ups and downs |
If anyone promises you "high returns, no risk," that is the single clearest sign of a scam. (Past averages are not a promise of future returns.)
Compounding — earning returns on your returns
Compounding means your gains start earning their own gains. A quick trick to feel it is the Rule of 72: divide 72 by your yearly return to see how many years money takes to double. At 12%, that's 72 ÷ 12 = 6 years to double.
Watch what that does to ₹1 lakh left untouched at 12%:
| Years | Value of ₹1 lakh |
|---|---|
| 6 | ₹2 lakh |
| 12 | ₹4 lakh |
| 18 | ₹8 lakh |
| 24 | ₹16 lakh |
| 30 | ₹32 lakh |
The last doubling (₹16 lakh → ₹32 lakh) adds more than all the earlier ones combined. That's why compounding rewards time more than cleverness.
Why starting early beats investing more
Two friends each invest ₹5,000 a month at 12%. Riya starts at 25, Rahul at 35. By age 60:
- Riya (35 years) ends with roughly ₹3.2 crore.
- Rahul (25 years) ends with roughly ₹95 lakh.
Riya invested only ₹6 lakh more than Rahul over her life — but ended with over three times the wealth. The difference is simply time in the market.
The lesson: pick a level of risk you can live with, start early, and let compounding do the heavy lifting. That patient, rule-based approach is the whole idea behind our Model Portfolio — own good businesses and give them time, rather than jumping in and out.
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