How to grow a $1 million portfolio with ASX shares

It's not as hard as you think to grow your wealth in the share market.

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When it comes to investing in ASX shares, one of the most powerful lessons investors can learn is that time in the market usually trumps trying to perfectly time the market.

Many investors fall into the trap of trying to predict when the market will rise or fall.

They may sit on the sidelines waiting for a better entry point or sell out in fear during a downturn — only to miss the rebound.

Meanwhile, those who simply stayed the course with a diversified portfolio of quality ASX shares often end up ahead.

The power of compounding ASX shares

The real engine behind long-term wealth creation isn't flashy trades — it is compounding.

Reinvesting dividends and watching your investments grow year after year can deliver surprisingly powerful results.

For example, an investor who puts $10,000 into a portfolio of ASX shares returning 10% per annum (in line with historical averages but not guaranteed), and adds $500 each month, could build wealth of over $1 million in just over 28 years.

That's without trying to jump in and out of the market.

Why volatility can be your friend

ASX shares are volatile in the short term. But that volatility can offer opportunities for long-term investors.

Market pullbacks often bring high-quality businesses to attractive price points. If you're focused on buying strong companies with long runways — think CSL Ltd (ASX: CSL), Xero Ltd (ASX: XRO), or Goodman Group (ASX: GMG) — short-term noise can become an investor's long-term advantage.

Forget perfect timing

Rather than trying to find the perfect moment to buy ASX shares, building a consistent investment habit — such as dollar-cost averaging — helps smooth out the highs and lows of the market.

Staying invested, continuing to build your portfolio, and focusing on quality are far more reliable strategies than chasing market tops or bottoms.

And try to stay away from the speculative side of the market. More money is lost in speculative stocks than is gained. Investors ought to stick to quality stocks rather than resort speculation. After all, the cream always rises to the top.

Foolish takeaway

Whether you're a seasoned investor or just getting started with ASX shares, remember that time in the market is your ally. By staying invested in great stocks, reinvesting dividends, and remaining disciplined through market cycles, you can harness the full power of compounding — and give yourself the best shot at long-term wealth.

Motley Fool contributor James Mickleboro has positions in CSL, Goodman Group, and Xero. The Motley Fool Australia's parent company Motley Fool Holdings Inc. has positions in and has recommended CSL, Goodman Group, and Xero. The Motley Fool Australia has positions in and has recommended Xero. The Motley Fool Australia has recommended CSL and Goodman Group. The Motley Fool has a disclosure policy. This article contains general investment advice only (under AFSL 400691). Authorised by Scott Phillips.

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