15 Budgeting Tips That Help You Track Your Spending Better

I remember a stretch when I was sure I spent about $300 a month eating out. I said it with total confidence. Then I sat down with a month of statements and added it up. It was closer to $700. I wasn’t hiding anything from myself on purpose. I just never looked.

That gap between what we think we spend and what we actually spend is where a lot of money trouble starts. So I went looking for research on what makes tracking easier, and I found a study that changed how I set things up.

Researchers Bruce Carlin, Arna Olafsson, and Michaela Pagel studied users of a money app in Iceland. The app let people link their checking, savings, and credit card accounts and see all their spending and balances in one place. At one point the company released a mobile version, which made checking much quicker. After that, people logged in more often, and their fees for trying to spend money they didn’t have fell by about 38 percent within two years. The researchers’ leading explanation is that people made fewer mistakes once it was easier to see their own information.

A few cautions. This was one app in one country, so your results may differ. The fees in the study were for purchases that were denied because the account didn’t have enough money. And the research shows that easy access to information helped, not that any one app or method is best. Still, it gave me a simple idea to build on: make your spending easy to see, and you’ll make fewer mistakes.

The 15 tips below follow that idea. The first few come straight from the study. The rest come from my own trial and error, and I’ll say which is which.

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1. Start by looking at the last 30 days, without judging it

Before you change anything, find out where you are. Pull up the last month of statements and read through every line. Don’t try to fix anything yet. You’re just collecting facts.

My $300 turned into $700 this way. It stung for about a day. After that it was useful, because I finally had a real number to work with.

Try this: Set aside 20 minutes today and read through last month’s spending from top to bottom.

2. Put all your accounts in one place so you can see the whole picture

This one comes from the study. The app in the research let people view checking, savings, and credit cards together. When your money is spread across several logins, it’s easy to miss something.

Many banks and money apps let you link your accounts in one view. You can also do it by hand with a simple list of balances. Use whatever you’ll actually check.

Try this: Write down every account you have, along with where you log in to see it.

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3. Make checking take seconds, not minutes

Here’s the heart of the study. When the company made it quicker to check account information, people checked more often, and costly mistakes dropped. The lesson I took is that the easier it is to look, the more you look.

So remove the friction. Put your banking app on your phone’s home screen, or bookmark your account page. If logging in takes a minute and three passwords, you’ll skip it.

Try this: Move your banking app to the front of your phone right now.

The easier it is to look at your money, the more often you’ll look.

4. Check your balance on a regular rhythm

The study found that people logged in more often once it got easier, and that went along with fewer mistakes. The exact number of times that works best isn’t something I can tell you from the research. So this part is my own approach.

I look at my balance two or three times a week, on the same days. It takes about a minute. Nothing surprises me at the register anymore.

Try this: Pick two days a week, like Monday and Thursday, and put a reminder on your phone.

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5. Look before you buy anything big

The fees in the study came from trying to spend money that wasn’t there. A quick check before a large purchase helps you avoid that. It takes ten seconds, and it can save you a fee or an embarrassing moment.

This works for online orders too. Pause, check your balance, and then press the button.

Try this: For the next week, check your balance before any purchase over $50.

6. Sort your spending into five to seven simple categories

Tracking gets heavy when you have 30 categories. Keep it simple. Something like housing, food, transportation, bills, fun, and savings is plenty to start. You can always split a category later.

This is my own rule of thumb, not a finding. I’d rather you track roughly and keep going than track perfectly and quit.

Try this: Write down your five to seven categories and put each of last month’s charges into one.

7. Find the small charges that keep coming back

When I went through my statements, I found three subscriptions I’d forgotten about. None of them was big, but together they added up to more than I expected. They’d been there for months because I never looked at the full list.

Go through your statements and circle anything that repeats. Ask yourself, “Would I sign up for this again today?” If the answer is no, cancel it.

Try this: Circle every repeating charge on last month’s statement.

8. Separate the bills you can’t change from the spending you can

Rent and insurance don’t move much from month to month. Groceries, eating out, and shopping do. When you mix them together, it’s hard to tell where your choices are.

Put your fixed costs in one group and your flexible spending in another. Then watch the flexible group, since that’s where most of your choices live.

Try this: Draw a line through your statement, with fixed bills on one side and flexible spending on the other.

9. Count your cash spending too

Cash is the easiest spending to lose track of. It leaves no trail on your statement. A few coffees and lunches here and there can disappear without a trace.

You don’t need to save every receipt. Just jot down the amount in your phone or on a small notepad when you pay with cash. Or use cash less often so more of your spending shows up automatically.

Try this: For one week, write down every cash purchase, however small.

10. Keep one running number for “spent so far this month”

A long list of transactions is hard to hold in your head. One number is easy. Take your flexible spending total and update it once or twice a week.

I keep mine on a sticky note on my desk. When the number gets close to what I planned, I slow down. It’s a simple tool, and it’s my own method rather than something from a study.

Try this: Write “Spent so far this month” on a sticky note, add your current total, and stick it where you’ll see it.

11. Write one word next to any purchase that surprised you

Some purchases feel fine at the time and odd later. When one bugs you, write a single word next to it: “tired,” “bored,” “sale,” “stressed.” Over a few weeks, you may notice a pattern.

This isn’t about guilt. It’s about information. If most of your surprise purchases happen when you’re tired, that’s useful to know. This one is from my own experience.

Try this: Pick one purchase from last month that surprised you and write down the word that fits.

12. Use a tool you’ll actually open

The best tracking tool is the one you’ll use. For some people that’s an app. For others it’s a spreadsheet, and for others it’s a plain notebook. The study looked at an app, but it doesn’t say an app beats paper.

If you’ve tried a fancy tool and abandoned it, go simpler. A notebook by the kitchen table that you write in twice a week beats a perfect app you delete in two weeks.

Try this: Choose one tool today, and decide you’ll give it a fair two-week try.

13. Set a weekly ten-minute money check

Checking your balance is quick. A weekly check-in is a little deeper. Sit down for ten minutes at the same time each week, look at where your money went, and update your running number.

Put it on your calendar like an appointment. I do mine on Sunday with a cup of coffee. The ritual is my own habit, but it makes the rest of these tips stick.

Try this: Pick a day and time for your weekly check and add it to your calendar now.

14. Use alerts if they help, but don’t rely on them

Many banks let you set a low-balance alert. Some people love them. One summary of the study notes that people in it didn’t need notifications or nudges to benefit. Easier access alone seemed to help.

So try alerts if you like, but don’t depend on them. Looking for yourself is what builds the habit. An alert is just an extra tap on the shoulder.

Try this: Set one low-balance alert at a number that would make you pause.

15. At the end of each month, change one thing

Tracking is only useful if it leads somewhere. At the end of the month, look at your totals and pick one change. Maybe you’ll cancel a subscription, cap eating out, or check your balance more often.

One change is plenty. Next month, look again and pick another. Small changes add up, and they’re far easier to keep than a full overhaul.

Try this: Write down the one change you’ll make next month, and put it on your running-number note.

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