How to turn your stage 3 tax cuts into $11,396 buying ASX 200 shares

Do you plan to invest your stage three tax cuts in ASX shares?

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

Looking to supersize your stage three tax cuts by investing in S&P/ASX 200 Index (ASX: XJO) shares?

With history as our guide, that could prove to be a great road towards building your wealth.

As you're likely aware, the stage three tax cuts take effect this financial year. Meaning from 1 July 2024, everyone earning more than $18,200 a year should expect to pay less of their hard-earned paycheques back to the ATO.

But what you choose to do with the extra cash in hand could make a tremendous difference to your financial well-being.

A woman in a hammock on her laptop and drinking a smoothie

Image source: Getty Images

Why invest your tax cuts in ASX 200 shares?

The pending stage three tax cuts will see most Aussies significantly better off than they were before.

Especially if they opt to invest that extra cash in ASX 200 shares.

"While this will provide much-needed cost of living for many, others will be intending to splurge the extra cash, or stash it away in savings, which could easily be invested instead," Brendan Doggett, Sharesies AU country manager, told the Motley Fool.

According to Doggett:

For example, if you earn the average national salary of $90,000 a year, you'll get $160 back in tax cuts each month from 1 July. This could be turned into $11,396 in five years' time if invested every month to buy ASX stocks, thanks to compound interest.

That figure assumes there are no changes to future tax rates and is based on the 6.8% average return posted by the ASX 200 over five years.

As you'd expect, for higher income earners the benefits of investing those stage three tax cut returns will be greater.

"For those who earn even higher, say $150,000, this would look more like $310 extra each month, and could result in a healthy $22,079 in stocks by 2029," Doggett said. "Building this extra cash into your monthly investment routine is a simple way to add to your portfolio without much of a lift."

And the longer your investment horizon, the better your returns from ASX 200 shares are likely to be.

According to Doggett:

For investors with a long-term gaze, $160 invested every month could turn into $31,493 in 10 years. When added to your super balance and any existing investments you may have, that's a more-than-healthy contribution to a retirement fund that can be easily set aside monthly and forgotten about.

The figures here are based on the average ASX 200 rate of return of 9.3% over 10 years.

Which is not to say investors can't reap some benefits with a shorter-term horizon.

"As for younger investors whose sights are more set on milestone 'firsts' such as getting on the property ladder or starting a family, fantastic returns can still be made in the short-term," Doggett said.

"If you invest your extra income every month, you'd have $6,046 in three years' time. Not bad for what could otherwise be splashed on a monthly grocery shop or trip to the pub!"

This figure is based on the average ASX 200 rate of return of 3.3% over three years.

The benefits of dollar-cost averaging

Now if you're set to receive a sizeable tax refund, you might be tempted to invest it all in ASX 200 stocks in one go.

While that may not be a bad idea, Doggett told us that dollar-cost averaging can help investors form a lifetime wealth-building habit.

"In addition to seeing more in their pockets each month, many Australians are also preparing to receive a large tax refund, which could also be invested," he said.

Doggett added:

While investing this as one lump sum might give you a higher return, quicker, it won't turn investing into a habit, which is really what's needed to make long-term gains.

Even though investing little and often every month (via dollar-cost averaging) might feel slower, this 'set and forget' mindset will help you maintain momentum and grow your money in the long-run.

Motley Fool contributor Bernd Struben has no position in any of the stocks mentioned. The Motley Fool Australia's parent company Motley Fool Holdings Inc. has no position in any of the stocks mentioned. The Motley Fool Australia has no position in any of the stocks mentioned. The Motley Fool has a disclosure policy. This article contains general investment advice only (under AFSL 400691). Authorised by Scott Phillips.

More on Tax

Smiling business woman calculates tax at desk in office.
Tax

Why Australia's new capital gains tax changes could reshape how ASX investors build wealth

Here is what it means for ASX investors.

Read more »

Smiling business woman calculates tax at desk in office.
Tax

Worried about capital gains tax and ASX shares? Here's why you shouldn't be

I think the barks are worse than the bites with this one...

Read more »

Woman looking at paper bill and counting expenses.
Tax

Budget 2026: 3 investing changes you need to know about

Investors have a few things to think about today.

Read more »

Tax time written on wooden blocks next to a calculator and Australian dollar notes.
Tax

ASX 200 sinks before tonight's budget. Are investors about to get a tax shock?

Budget night has the ASX 200 trading lower today.

Read more »

senior couple disappointed and sad at their financial situation
Tax

Here's the best (and worst) way to avoid paying taxes with ASX shares

Not all taxes are inevitable when it comes to investing.

Read more »

Tax time written on wooden blocks next to a calculator and Australian dollar notes.
Tax

Tax refund season: Common mistakes to keep in mind to maximise your refund in FY26

Many Aussies are hoping for a tax refund this year.

Read more »

A business woman looks unhappy while she flies a red flag at her laptop.
Tax

3 red flags the ATO looks for in retirement tax returns

You don't want 'that' phone call from the ATO.

Read more »

Tax time written on wooden blocks next to a calculator and Australian dollar notes.
Tax

Franking credits from ASX dividend stocks can lower your bill this tax time. Here's how

Who knew investing can help lower your tax bill?

Read more »