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What to Avoid When Buying a House

Buying a home’s one of the biggest financial steps you’ll ever take. It’s common to feel overwhelmed and it’s easy to make a mistake without even realising it. This guide explains common errors in personal finance, property choice and final negotiations so you’ll understand the process of securing a new home with confidence.

Picture of Written by Kevin Ni

Written by Kevin Ni

Founder & Certified Practising Valuer

Key Takeaways On What to Avoid When Buying

Avoid New Debt Before Settlement

Securing finance after pre-approval can automatically cancel your mortgage, causing you to forfeit your deposit at the last minute.

Avoid Properties with Low Land Value

Don't overpay for new buildings on small blocks. The land appreciates while the structure itself loses value over time.

Avoid Emotional Bidding and Negotiation

Falling in love with a home is the number one reason people overpay, especially at emotional, high-pressure auctions.

Avoid the 'Perfect Home' Paralysis

Searching for a flawless 'forever home' can lead to inaction while prices rise, costing you more in the long run.

Understanding Common Mistakes

The biggest potential mistakes fall into three areas. These are making financial errors, choosing the wrong type of property and overpaying at the end.

Financial changes after you’ve received pre-approval can be risky. A simple action like obtaining a new car finance agreement can cause a bank’s automated system to reject a mortgage application at the last minute. You’ll find that land value’s a key indicator. A building loses value over time but well-sited land tends to appreciate. Understanding this is a key part of a smart long-term investment strategy.

Data’s helpful during negotiations. A building inspection report is a powerful tool you can use to negotiate a lower price based on objective facts.

Financial Pitfalls That Can Derail a Purchase

In my experience as a Certified Practising Valuer, I have found that this is where many people face preventable problems. To protect your purchase, it’s helpful to understand how banks see your application. Here are some concepts you’ll want to be aware of.

  • The 20% Deposit Misconception Many people believe they must have a 20% deposit so they wait for years to save. They'll often see prices rise faster than their savings.
  • The Alternative For a smaller deposit, lenders often require a one-off fee called Lenders Mortgage Insurance.

Why this matters: In a rising market, the equity gained by purchasing sooner may outweigh the insurance cost. For example, an $82,000 gain in value can make a $15,000 premium a logical financial consideration.

  • The Risk of New Debt After Pre-Approval It's common industry practice to advise against taking on new debt after receiving pre-approval from a lender. This includes new-car financing, personal credit, or even large credit card purchases.

Why this is critical: Right before settlement, a lender’s automated system will rescan bank statements to verify the Debt-to-Income ratio. A new line of credit can change this ratio enough to trigger an automatic rejection. If that happens, you’ll risk losing your entire deposit.

The Impact of New Debt

Let’s look at a hypothetical purchaser, Sarah, to see how this plays out.

Sarah gets pre-approved for a $700,000 mortgage. The bank assessed her income and existing debts and she fits their lending criteria. She finds a home and signs the contract. A week before settlement, she decides to get a new car. She takes out a $40,000 car finance agreement which adds a $700 monthly repayment to her expenses.

The bank’s software performs its final scan and detects the new car financing. This new $700 monthly debt pushes her Debt-to-Income ratio beyond the bank’s acceptable limit. The bank’s system automatically flags her as a higher risk. They’ll withdraw her mortgage approval just days before settlement. Sarah can no longer pay for the house and she’ll now risk forfeiting her $70,000 deposit.

The Trap of Choosing the Wrong Type of Property

This is what often separates a good purchase from a great one. In my professional opinion, long-term wealth is typically built by owning valuable land and not by the temporary appeal of a brand new kitchen. It’s about finding quality that lasts. A good buyer agent’ll always provide this advice.

  • The Forever Home Trap The search for a perfect forever home can sometimes lead to inaction while prices rise. This perfectionism can be one of the most common mistakes.
  • An Alternative Perspective Many successful purchasers focus on a solid asset that fits their needs for the next 5-7 years. This can be a smart first step onto the real estate ladder.
  • The Importance of the Land-to-Asset Ratio A building depreciates over time but the land it sits on generally appreciates. Paying a premium for a new build on a tiny block's a common scenario that you'll want to assess carefully.

Why this matters: An asset with a high land-to-asset ratio, which in my opinion is over 60%, means more of the purchase price is invested in the component that typically grows in value. This is a key principle of a sound long-term investment.

  • Looking Beyond Public Websites People who only look at the major real estate websites are competing with thousands of others for the same small pool of properties.

Insider Tip: In my experience, many of the best properties are sold off-market. Agents often keep a list of serious buyers and they’ll call them first to arrange a quick, private sale. We have access to over 2,000 off-market properties across Australia at any time.

Need professional assistance in the property market?

We will help you avoid costly mistakes and secure your next home with confidence.

The Risk of Overpaying at the Finish Line

The final part of the process is where a significant amount of money can be made or lost. A successful outcome often requires data and discipline rather than emotion. This’s where you’ll start reaching your financial goals.

  • Using the Building Inspection for Negotiation A building and pest inspection's not just about finding deal breakers. It's a powerful source of leverage in negotiations.
  • An Expert Tactic If a report uncovers a $15,000 issue with the roof, one option is to get a formal quote for the repair from a licensed tradesperson. That specific document can then be used to request a $15,000 price reduction from the seller. This is how a problem can be turned into a discount.
  • The Challenge of Negotiating Alone A selling agent's legal duty is to secure the highest price for the seller, not to help the buyer. They have information that you don't. Negotiating without that insight can increase the risk of overpaying.
  • The Influence of Emotion on Price In my opinion, the number one reason people overpay at auctions is that they fall in love with a property and lose their discipline.

A Solution

Using a Formal Valuation based on recent comparable sales to set a firm walk-away price before bidding can be a powerful form of protection.

Understanding these pitfalls is the first step to buying with confidence. However, knowing the rules and applying them under pressure are two different things. It’s easy to get overwhelmed, especially when you have to make fast decisions in a competitive market.

Frequently Asked Questions

A buyer agent and a Certified Practising Valuer perform two distinct yet complementary roles. A buyer agent focuses on finding and negotiating the purchase of a property. In contrast, a valuer’s sole responsibility is to determine the property's true market value based on evidence. For a home buyer seeking financial security, a valuer provides a crucial safeguard against overpaying while an agent manages the transaction. A professional who holds both qualifications offers a powerful advantage.

Yes, paying for this insurance can be a logical financial decision in certain market conditions like a rising property market. The key trade-off to consider is the premium cost versus the potential cost of being priced out of the market while you save for a larger deposit. For example, if a $900,000 asset grows by 10% in one year, that represents a $90,000 equity gain. In this scenario, paying a one-off $15,000 premium to enter the market sooner could secure a larger capital gain.

A formal valuation report provides the most accurate way to determine a property's land-to-asset ratio. This report will clearly separate the value of the land from the value of the building itself. As a general rule, homes in established suburbs, where land is scarce and in high demand, typically feature a healthier ratio than new house-and-land packages in outer suburbs. For a quick initial assessment, you can compare recent vacant land sales in the area to the asking prices of established homes to estimate the land's contribution to the total value.

Disclaimer: The information provided in this article is for general informational purposes only and is the opinion of the author. It’s not intended as, and shouldn’t be relied upon as, financial or legal advice. You’ll need to consult with a qualified professional before making any financial decisions related to buying property.

Ni Advocacy
Melbourne Buyers Agency

Need professional assistance in the property market?

We’ll help you avoid costly mistakes and secure your next home with confidence.

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Author

Kevin Ni

Founder & Certified Practising Valuer