Article: High Income Doesn’t Equal Wealth: 5 Financial Mistakes I See Every Week
- Maria Temnyuk

- 6 days ago
- 4 min read
Financial planning insights for professionals who want their money working harder for them.

This observation might make some people uncomfortable.
Many people earn good money… and still make middle-class decisions with it.
This has nothing to do with income. As a financial adviser, I regularly see households earning $200,000+ per year who say they have “no money to invest”. Yet tens of thousands disappear every year on lifestyle spending.
Over the years working with clients and analysing their financial behaviour, I’ve noticed certain patterns in how people approach money. Some habits quietly keep people financially stuck — others lead to serious wealth over time.
Many professionals eventually realise that earning a strong income is not the same as building long-term wealth. This is where financial planning becomes important. Financial planning is about structuring your income, investments, property strategy and long-term goals so your money is working efficiently over time.
This article shares some of the most common financial mistakes I see when working with professionals who want to build wealth in New Zealand.
1. Consumption Over Accumulation
Have you ever noticed how easily you can find thousands of dollars for travel, a new laptop, the latest iPhone, Pilates memberships or paying off your credit card but you “don’t have” $1,000 to start investing and building a seven-figure net worth?
At one point this was me asking myself the same question. How come I could always come up with thousands of dollars for marketing campaigns, pay people who did not deliver, buy $7k designer bags and spend tens of thousands on travel — yet my investment portfolio was growing at a glacial pace?
This is not accidental.
You are constantly surrounded by multi-million-dollar marketing campaigns designed to make you spend. We were sold on a certain idea of success:
Designer brands
$100k cars
Business class tickets
Fine dining every weekend
$100k weddings
The system benefits from you being a consumer. Because when you constantly consume, you stay tied to your job, tied to debt and dependent on income.
Have you noticed how commercialised everything has become?
Weddings. Christmas. Black Friday. Even Easter.
Every occasion now seems to come with a reason to spend more money. Does every occasion really need to add another balance to your credit card?
The first step is awareness. Start questioning what is being sold to you and why. What insecurity is being triggered? FOMO? Keeping up with the Joneses? Pressure to look or live a certain way?
2. Trying to Save Money on Professional Advice
Think about companies like Amazon or any large successful business. When they face important decisions, do they search for the cheapest lawyer, accountant or consultant? Of course not.
Wealthy people understand they don’t know everything, so they surround themselves with professionals such as advisers, accountants, lawyers, mortgage brokers and fund managers.
Meanwhile the middle-class mentality is often to rely on a cousin who says to “go all in on crypto” or advice from strangers on Facebook.
Who is actually on your wealth team? You don’t need to start big.
Many financial advisers work with clients starting from relatively small amounts. For example, some of our clients begin investing with $1,000 and contribute around $300 per month.
But they start with structure and guidance — not a “throwing mud at the wall” approach.
3. Taking Too Long to Make Decisions
This one is extremely common. People delay investing because they think they need to wait for the “perfect moment”.
“I’ll start when the mortgage is smaller.”
“I’ll start when the kids grow up.”
“I’ll start after we finish renovating.”
“I’ll start after the holiday.”
“I’ll start when family finishes visiting.”
Years pass while waiting for the perfect moment. Meanwhile opportunities disappear.
When it comes to investing, time is your biggest advantage.
The longer your money is invested, the easier wealth creation becomes.
Financial Planning Can Help You Avoid These Mistakes
Many successful professionals earn strong incomes but never receive structured guidance around investing, property and long-term wealth strategy.
That is exactly what financial planning is designed to solve.
At Diamond Property & Wealth, we help clients:
• structure investment portfolios
• optimise KiwiSaver
• explore property investment opportunities
• build diversified long-term wealth strategies
If you want your money working harder for you, a financial planning consultation can be a great place to start.
4. Letting the News Drive Financial Decisions
Many people make financial decisions based on headlines.
They panic during downturns.
They delay investing when markets are rising.
They constantly wait for the “right moment”.
But bad news sells far better than good news. Media companies know that. Wealthy investors know that.
Markets continue to grow despite headlines. For example, while Trump was surprising us every week and there were constant concerns about an AI bubble, the S&P 500 achieved the following returns:
2025: 16.39%
2024: 23.31%
2023: 24.23%
That is a cumulative return of about 78.30% over three years.
If you invested $100,000, you would now have approximately $178,296.
The question is simple.
Were you participating in the market… or analysing it?
5. Thinking Short Term Instead of Long Term
Most people spend more time planning their next holiday than planning their financial future.
Some people want to get rich in five years.
They jump from one risky idea to another.
They chase hype investments and give up when markets become difficult.
Wealthy people understand that meaningful results take time. Warren Buffett created about 95% of his wealth between the ages of 50 and 95.
Consistency over decades builds wealth.
A Question Worth Asking Yourself
After reading this, ask yourself honestly:
How much money has flowed through your household over the last 10 or 20 years? Hundreds of thousands? Maybe millions?
And how much of that money have you actually kept and invested for your future?
If any of this sounded uncomfortably familiar, it might be time to change how you approach your money.
Ready to Turn Income Into Wealth?
Many of our clients are successful professionals earning strong incomes who simply want their money working harder for them.
Through our financial planning service, we help clients build strategies around:
• investment portfolios
• property investing
• KiwiSaver optimisation
• long-term wealth building
Start with a conversation.
or
Book a financial planning consultation where we analyse your financial situation and outline practical next steps.





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