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High interest savings accounts vs investment accounts for property buyers

By Coposit
27/11/2025

Buying a home in Australia is a major goal for many people. Saving a deposit can feel like a long journey. The big question for first home buyers is where to keep their money. Should you choose a high interest savings account or put your money into investments?

This guide compares both options. It helps you make a smart decision as you prepare to buy a property. It is especially useful if you plan to buy off the plan and want your savings to grow while you wait.

What is a high interest savings account

A high interest savings account is a safe place to store your money. You earn interest from the bank. It is simple to understand and easy to access.

Key features

  • Low or no fees
  • Government guarantee up to $250,000 per bank
  • Almost zero risk
  • Your balance can grow slowly over time

Why it suits first home buyers

Saving a deposit requires stability. You do not want sudden drops in your balance. If interest rates are high, your savings grow faster without extra effort.

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What is an investment account

Investment accounts are different. They give you access to shares, managed funds or ETFs. The goal is to earn higher returns.

Key features

  • Potential for faster growth than savings
  • Higher long term returns
  • Risk of losing money in market downturns
  • Value can go up and down daily

Who it suits

Investments can work for people who:

  • Have a longer timeline before buying property
  • Feel comfortable with some risk
  • Want to grow their deposit faster
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Comparing both options for property buyers

Feature

High interest savings

Investment account

Risk

Very low

Medium to high

Returns

Slow and steady

High but unpredictable

Best for

Short term saving

Long term wealth building

Access to money

Easy withdrawals

May take time or impact returns

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Timing matters when saving for a home

Your property buying plans should guide your financial strategy.

Short timeline

If buying within 1 to 3 years:

  • Savings accounts give more certainty
  • You know exactly how much you have at settlement

Longer timeline

If buying in 3 to 7 years:

  • Investments may grow more
  • You must accept the possibility of volatility
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Saving for off the plan property

Off the plan homes are popular for first time buyers. You pay a small deposit first. Then you have time to save the rest during construction.

High interest savings accounts work very well here. You can grow your deposit while knowing your funds are secure. Some people also choose a mix. They invest part of their savings early. As settlement gets closer they move the money to savings.

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How Coposit helps you get there sooner

Coposit offers another smart path for home buyers. You can secure a new property with only $10k upfront. Then make weekly instalments while your equity grows. You continue living your life while building ownership. This replaces the pressure of saving a huge lump sum deposit. It also helps you enter the property market sooner while prices may rise over time. Coposit is fully digital and gives you access to new property opportunities from trusted developers.

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Tips to improve your saving strategy

  • Set your property goal early
  • Automate weekly transfers into your savings
  • Compare bank interest rates often
  • Avoid touching your deposit funds
  • Track your progress each month
  • Do not take unnecessary risks close to settlement
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When to get advice

A financial adviser can help you plan the right mix of savings and investments. This is useful when:

  • You earn a strong income but lack discipline
  • You want to invest but feel unsure
  • You are not clear on your buying timeline
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Best choice for building a home deposit in Australia

Both high interest savings and investment accounts can help you buy your first home. The right choice depends on your timeline, financial confidence and appetite for risk. If you plan to buy soon or go off the plan, savings accounts give peace of mind. If you have more time, investments can boost your deposit growth.

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Growing your deposit and buying property sooner

There is no one perfect answer for everyone. Many first home buyers choose a mix of both savings and investing. Your deposit is the foundation of your financial future. Making smart decisions today can help you step into your first property sooner.

Property ownership feels much closer when your savings strategy matches your home buying timeline. Whether you choose a high interest savings account, an investment account or Coposit’s flexible weekly instalments, the goal is the same. Build your deposit. Make progress. Own your home.

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