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When you're trying to break a bad habit, knowing how much money you'll save can be a big motivator.

Maybe you want to quit smoking, vaping, drinking, or betting on sports. Maybe you spend too much on Amazon or resort to takeout food more often than you should.

The upfront cost is obvious: Buying $10 worth of scratch-off tickets every day costs $3,650 a year. But what you spend is only part of the equation. There are also hidden tradeoffs to consider — like the cost of not having that money to get ahead in life.

So what?

Many of us nurture a habit we wish we didn't have. According to a 2024 Bankrate survey, 84% of U.S. adults spent money on at least one of six familiar vices, with alcohol and lottery tickets being the most common.

But even when your guilty pleasures don't hurt your health or get you into trouble, they have ramifications you may not realize. They can quietly chip away at your long-term financial freedom, hijacking money you could be investing, saving for your future, or using to build a financial cushion. They can also lead to other expenses, like medical bills or burdensome finance charges.

If you're looking for extra inspiration to shake a bad habit, here are five hidden costs to consider:

•   Delayed milestones: Twenty-two percent of Americans surveyed by YouGov this year feel like they're falling behind financially. Another 33% say they're just keeping up. And yet bad habits suck up money that we might otherwise use to pay for college, start a family, or secure our retirement. In cases of addiction, using alcohol or drugs can cost an estimated $5,000 to $29,000 a year, according to The Recovery Village, a rehab provider. Over a lifetime, that's enough money to cover a house, car, or other large purchase.

•   Opportunity costs: If you didn't spend your money on that vice, what would you do with it? Running your numbers through a bad habit cost calculator (we like this one) can show you just how much you might earn if you invested it instead. For instance, a $5.50-a-day coffee habit costs $20,020 over a 10-year period, but you're potentially forgoing another $8,800 by not parking that money into an S&P 500 Index fund earning 7% a year. Or, let's say you spend $40 a week to vape. Using the same benchmark for investment returns, that daily vape pod could be worth over $211,000 after 30 years.

•   Expensive consequences: Some bad habits can lead to serious health problems, and in turn, costly medical bills. Smoking is probably the most obvious example, since it can cause cancer, coronary artery disease, COPD, and other diseases. A WalletHub study found smokers spend between $2,800 and $8,400 a year on smoking-related healthcare, depending on where they live. Plus, it's linked to lower incomes and higher insurance costs.

•   Voluntary taxes: No one wittingly signs up for more taxes, but that's exactly what many of us do when we spend money on bad habits. Governments raise billions of dollars a year levying “vice taxes” on alcohol, tobacco, gambling, and even sugary drinks. So when you maintain these routines, you're quietly opting into an extra personal tax.

•   Lost time: Whether it's scrolling gaming websites, taking smoke breaks at work, or spending too much time in bars, bad habits eat up your time and attention. Think about what your time is worth, and whether you're getting a fair return on the hours you're trading away.

Related Reading

Real-Life Examples of Opportunity Cost (St. Louis Federal Reserve)

Taxing Harmful Habits (International Monetary Fund)

Can Skipping Avocado Toast and Lattes Really Help You Buy a House? (Money)

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