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Years of grabbing takeaway, buying food on impulse and trying and failing to get eating habits under control had turned into a costly cycle for one person in Australia who wanted to get healthier and save money. The turning point came from a simple idea: putting the money they would have spent on fast food into investments instead.
The story was shared on Reddit, where the person said that every time they’d skip buying takeaway, coffee or snacks, they’d move that money straight into their retirement account. What started as a healthier spending habit quickly became a rewarding way to build long-term wealth.
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The poster said they had spent years trying different diets, including vegan, vegetarian, Paleo and low-carb approaches. While some helped temporarily, the results never seemed to last.
Eventually, they came to a different conclusion about what was really causing the problem.
“I finally figured out it wasn’t what I was eating,” they wrote. “But more so when and how much I was eating.”
After talking with naturally thin people, they realized many of them simply didn’t experience the same constant urge to eat. That made them realize the real issue was eating too much at once and not controlling portions, rather than the types of food they were eating.
The poster also realized they missed the excitement that came with buying food and drinks throughout the day. Looking for a replacement, they found a way to make saving money feel just as satisfying.
“Every time I don’t buy out, coffee, lunch, dinner, etc., I simply put the offset cost of what I WOULD’VE brought into my superannuation,” they wrote. Superannuation is Australia’s retirement savings system, similar to a 401(k) or IRA in the U.S.
Trending: More than 1.5 million people are already quietly investing through Stash — start with as little as $1, earn stock on everyday purchases, and get a 3% IRA match with Stash+.
Turning Small Spending Decisions Into Investments
The strategy worked almost immediately.
Within just a few days, the poster said they had already transferred around 100 Australian dollars ($69) into their retirement account. One recent example involved skipping what would normally have been a AU$15 coffee-and-cake purchase. Instead, they made coffee at home, ate a simple breakfast and invested the money.




