An emergency fund isn't really an investment goal in the growth sense — it's insurance for the rest of your financial plan. Its job is to absorb a job loss, medical event or unexpected expense without forcing you to break a long-term investment or take on high-cost debt at the worst possible time.

The usual guidance is 3-6 months of essential expenses, held in highly liquid, low-volatility instruments like a liquid fund or savings account rather than equities — the priority here is availability and stability, not returns. Building this fund first, before aggressively investing toward other goals, is what makes the rest of the plan resilient.

It's worth revisiting the target periodically too — as expenses, dependents or income stability change, the right cushion size changes with it. A single income household with dependents typically needs a larger buffer than a dual-income household with none.