How I'd build a $100,000 ASX portfolio from scratch

It may not be as hard as you think to reach this milestone.

| More on:
Hand holding Australian dollar (AUD) bills, symbolising ex dividend day. Passive income.

Image source: Getty Images

You’re reading a free article with opinions that may differ from The Motley Fool’s Premium Investing Services. Become a Motley Fool member today to get instant access to our top analyst recommendations, in-depth research, investing resources, and more. Learn More

The idea of growing a $100,000 ASX portfolio might seem like a pipe dream to some. But with the right mindset and a game plan, it is much more achievable than you might think.

You don't need to be an expert stock picker or throw in a huge lump sum to get there. The secret lies in starting with a clear purpose, committing to a regular investing rhythm, and letting the power of time and compounding work in your favour.

Here's how I'd go about it.

Start with a purpose, not just a portfolio

Before diving into stock charts or company announcements, take a step back and ask: what am I investing for?

Are you chasing long-term wealth? Looking to build up a stream of passive income? Or maybe a bit of both?

Your answer will shape everything – from the types of ASX shares you choose, to how much risk you're comfortable taking. Growth-focused investors might favour companies like WiseTech Global Ltd (ASX: WTC) or Life360 Inc (ASX: 360), while income seekers may lean into blue chips like Telstra Group Ltd (ASX: TLS) or ETFs like the Vanguard Australian Shares Index ETF (ASX: VAS).

Consistency beats perfect timing

Trying to pick the bottom of the market is like trying to catch a falling knife – more painful than it is worth.

Instead, I would focus on investing regularly. Even putting $1,000 a month into quality ASX shares could see you hit that $100,000 mark in just over six years – assuming a 10% average annual return.

Markets rise and fall, but dollar-cost averaging means you're buying in at various price points, smoothing out the bumps along the way.

Diversify and stick with quality ASX shares

A strong portfolio isn't built on one or two lucky picks. It is about holding a mix of reliable names across industries.

I'd build around a mix of high-conviction growth shares, dependable dividend payers, and a couple of ASX ETFs for instant diversification. The Betashares Nasdaq 100 ETF (ASX: NDQ) is a great way to tap into global tech growth, while VAS gives exposure to the broader Aussie market.

Reinvest and let it snowball

Along the way you are likely to receive dividend payments, but don't cash them out just yet.

Reinvesting dividends can supercharge your compounding returns. Whether it's via a Dividend Reinvestment Plan (DRP) or simply topping up your favourite holdings, putting your income back to work adds fuel to your long-term wealth engine.

Keep your cool when markets wobble

Lastly, remember that markets will always have moments of madness.

Staying invested through the noise is key. Emotional decisions – like panic-selling during a dip or chasing the latest hot stock – can derail even the best-laid plans.

Instead, play the long game. Trust in quality. And let time do the heavy lifting.

Motley Fool contributor James Mickleboro has positions in BetaShares Nasdaq 100 ETF, Life360, and WiseTech Global. The Motley Fool Australia's parent company Motley Fool Holdings Inc. has positions in and has recommended BetaShares Nasdaq 100 ETF, Life360, and WiseTech Global. The Motley Fool Australia has positions in and has recommended BetaShares Nasdaq 100 ETF, Telstra Group, and WiseTech Global. The Motley Fool has a disclosure policy. This article contains general investment advice only (under AFSL 400691). Authorised by Scott Phillips.

More on How to invest

share buyers, investors, happy investors
How to invest

An easy and effective ASX portfolio with just 3 investments

This is the easy way to try and build a winning portfolio.

Read more »

A young couple hug each other and smile at the camera, standing in front of their brand new luxury car.
How to invest

How a beginner investor could build a $250,000 ASX share portfolio

Want to start investing? Here's one way to do it.

Read more »

Young businesswoman sitting in kitchen and working on laptop.
How to invest

How to build income on the ASX without losing sleep at night

Reliable income is about predictability, not excitement.

Read more »

Happy man holding Australian dollar notes, representing dividends.
How to invest

How to make $24,000 in passive income a year

Here are the steps to take if you want to build a significant passive income from ASX shares.

Read more »

A man in his office leans back in his chair with his hands behind his head looking out his window at the city, sitting back and relaxed, confident in his ASX share investments for the long term.
How to invest

Any ASX investor can use this simple 3-stock portfolio to build wealth

These three investments are simple and hands-off...

Read more »

A man stares out of an office window onto a landscape of high rise office buildings in an urban landscape.
How to invest

How to build a $50,000 portfolio with ASX 200 shares

It isn't as hard to build wealth in the share market. Here's how you can do it.

Read more »

A happy young couple lie on a wooden deck using a skateboard for a pillow.
How to invest

How much could I make investing $500 a month in ASX shares?

Making patient investments over the long term could be the key to building significant wealth.

Read more »

Happy young couple saving money in piggy bank.
How to invest

Here's how to invest $50 a month in ASX shares to aim for $10,000

You could build wealth by skipping a couple of coffees a week.

Read more »