These are the 7 money habits 'quietly wealthy' Americans follow - how to put their playbook to work

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The millionaire next door doesn't necessarily make headlines. They have probably built their fortune in a mundane and boring way and live an equally understated lifestyle.

These are the 'stealthy wealthy' and their habits hold powerful lessons for anyone who's serious about achieving financial freedom.

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Here are seven habits you could replicate to boost your financial position or peace of mind.

Contrary to the stereotype, millionaires and multimillionaires aren't always driving Aston Martins or Bugattis. In fact, Dave Ramsey's survey of millionaires across America found that the top three most popular brands were Toyota, Honda and Ford.

Picking a practical and relatively inexpensive car is perhaps a better way to retain your fortune rather than burning it all through the tailpipe of a McLaren F1 sports car.

Another way to keep car expenses affordable is to shop around for the best car insurance rate available. Doing your due diligence and comparing rates can drive down your monthly costs and free up that extra cash for investing.

By using a comparison platform like Insurify , you can instantly view quotes from top-rated providers to ensure you aren't paying a hidden "loyalty tax" to your current insurer.

Just answer a few basic questions , and Insurify will show you the most affordable deals in as little as 3 minutes.

Not only is the process 100% free, but you could also save up to 15% by bundling your car and home insurance.

Keep in mind that you can usually change your insurance policy before the renewal date. Just keep an eye out for any early cancellation fees.

Tax-efficient decision making is how most wealthy people retain and expand their fortune. Although your tax situation might be very different from someone who has a seven- or eight-figure net worth, that doesn't mean you can afford to neglect tax planning.