The Equiti Edge

How to Avoid Costly Mistakes When Buying Investment Properties

Written by equiti Ltd | 29 October 2025

Investing in property can be a lucrative way to grow your wealth, but it’s not without its risks. Whether you’re a seasoned investor or just starting out, spotting potential red flags is crucial to making sound decisions. These red flags could lead to costly mistakes, from unexpected repair costs to legal issues, impacting your return on investment.


In this blog post, we’ll explore the most common red flags to watch out for when buying investment properties and discuss how opting for new builds can help mitigate these risks.
 

Common Red Flags to Watch For

1. Structural Issues
One of the biggest concerns when buying a property is the state of its structure. Cracks in the foundation, sagging roofs, or uneven floors can signal significant problems that may require costly repairs. A thorough inspection is essential, but even then, some issues might go unnoticed, especially in older properties.

2. Hidden Maintenance Costs
Older properties often come with deferred maintenance. Issues like outdated plumbing, electrical systems, or ventilation units can be expensive to fix. If the seller has cut corners on upkeep, you could end up spending more on repairs than anticipated, eating into your profits. 

3. Poor Location
Location is a critical factor in real estate investment. Red flags here include high crime rates, lack of nearby amenities, or areas showing no signs of growth. Properties in declining neighbourhoods may be cheaper upfront but can struggle to attract tenants or buyers, affecting long-term returns. 

4. Tenant History
If the property is already rented out, take a close look at tenant history. Frequent vacancies, unpaid rent, or a revolving door of renters can indicate underlying issues such as mismanagement or an undesirable property. 

5. Legal or Zoning Issues
Before buying, verify the property complies with local zoning laws and building codes. Unpermitted renovations or boundary disputes can lead to legal headaches down the line, reducing your potential earnings. 

6. Unrealistic Price
Be cautious of deals that seem too good to be true. A property priced significantly below market value may be hiding serious issues, such as structural damage, flood risk, or legal disputes. 

How New Builds Can Help Mitigate Red Flags 
While pre-existing properties can offer opportunities, they often come with hidden risks and challenges. This is where new builds shine. Investing in newly constructed properties can help minimize many of the common red flags mentioned above. Here’s how: 

1. No Structural Surprises
New builds are constructed to meet current building codes and standards, reducing the likelihood of structural issues. With modern materials and construction techniques, you can be confident the property is in excellent shape from day one. 

2. Lower Maintenance Costs
Unlike older properties, new builds come with brand-new systems - plumbing, electrical, heating, and cooling - so there’s no need to worry about repairs for years to come. Many new builds also include warranties that cover potential issues, giving you added peace of mind.
 

3. Appeal to Tenants
Modern properties often come with features tenants seek, such as energy-efficient appliances, open floor plans, and smart home technology. This can make new builds more attractive, leading to higher rental demand and reduced vacancies.
 

4. Prime Locations
Developers often build in up-and-coming areas with strong growth potential, ensuring the property is in a desirable location. This means you’re less likely to end up with a property in a declining neighbourhood. 

5. Compliance with Regulations
New builds are designed to comply with all current zoning laws, building codes, and healthy homes standards. This eliminates the risk of buying a property with unpermitted renovations or outdated systems that don't meet regulations. 

6. Predictable Costs
With a new build, you’re less likely to face unexpected costs. Everything is new, reducing the chance of unforeseen repairs or upgrades. This predictability can make financial planning easier and protect your bottom line. 

Final Thoughts
Buying an investment property is a significant decision, and understanding the red flags can save you from costly mistakes. While older properties can sometimes offer charm or lower purchase prices, they often hide risks that can impact your profitability. New builds, on the other hand, provide a level of assurance that’s hard to beat. From reduced maintenance costs to compliance with modern regulations, they help eliminate many of the common pitfalls in property investing. 

If you’re looking for a safer, more predictable investment, new builds are worth considering. They allow you to focus on growing your portfolio without the constant worry of unexpected surprises. By staying vigilant and making well-informed choices, you can set yourself up for long-term success. 

Curious if a new-build property is the right addition to your portfolio?
Schedule a free 15-minute call with Hamish Cowan, Founder and Director at equiti, to refine your investment strategy and confidently navigate the property market.