The “Commingled Purchase” Problem That Budget Apps Don’t Warn You About

NerdWallet's Smart Money Podcast

NerdWallet Personal Finance

Education, Business, Investing, How To

4.3 • 891 Ratings

🗓️ 2 March 2026

⏱️ 24 minutes

🔗️ Recording | iTunes | RSS

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Summary

Discover simple rules that can cut budget tracking fatigue and still show you where your money goes. How can you make a budgeting app reflect what you actually bought when one Costco or Target run covers five or 10 different categories? And how can you track those “commingled” purchases without spending your life itemizing receipts? Hosts Sean Pyles and Elizabeth Ayoola talk with personal finance Nerd Amanda Barroso about how to handle mixed transactions so your budget feels usable instead of exhausting. They begin with a discussion of why this problem is so common, features in budgeting apps like Monarch, YNAB, and EveryDollar that make categorizing easier, and how to decide when perfect tracking is the enemy of “good enough.” Then, they discuss practical ways to reduce budgeting fatigue while still learning where your money goes. They discuss how different apps approach splitting transactions, how to think about tradeoffs between accuracy and effort, and how to set simple personal rules that keep you consistent even when shopping gets messy. The Best Budget Apps for 2026: https://www.nerdwallet.com/finance/learn/best-budget-apps Want us to review your budget? Fill out this form — completely anonymously if you want — and we might feature your budget in a future segment! https://docs.google.com/forms/d/e/1FAIpQLScK53yAufsc4v5UpghhVfxtk2MoyooHzlSIRBnRxUPl3hKBig/viewform?usp=header To send the Nerds your money questions, call or text the Nerd hotline at 901-730-6373 or email podcast@nerdwallet.com. Like what you hear? Please leave us a review and tell a friend. Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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0:00.0	This is your latest project.
0:02.0	It's heavy with information, data, and exactly 36 pages of waffle.
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0:22.2	waffle, work smarter and save time. Do that with Acrobat. Learn more and try it out on adobe.com.
0:30.1	If you're interested in what's happening in the world of technology, you will love our
0:34.0	Roundtable News show this week in tech. Hi, this is Leo Lipport.
0:38.1	Every Sunday, I bring the best tech journalists together to talk about the week's tech news.
0:42.8	This week, the showdown between Anthropic and the Department of Defense, Apple's big week
0:48.5	ahead, Samsung's new phone and a whole lot more.
0:51.2	Join me this week and every week for Twit.
0:53.9	You'll find it at our website,
0:55.4	twit.tv, or wherever you get your podcasts. Hey, Elizabeth, what is your biggest hurdle when it
1:01.5	comes to tracking your expenses? I don't want to blame it on my ADHD, but my ADHD. Yeah, I'm right
1:07.1	there with you. But fortunately, there are lots of budgeting apps that try to make this easy for you, although sometimes it's a little bit more difficult when the rubber
1:14.8	actually hits the road with these apps.
1:19.1	Welcome to Nerd Wallet's Smart Money Podcast, where you send us your money questions and we answer them
1:23.7	with the help of our genius nerds. I'm Sean Piles. And I'm Elizabeth Ayola. This episode
1:29.4	we're going to be exploring how to actually make budgeting apps track your expenses. And here's our
1:34.9	listener's question, which comes from a text message. Hey nerds, tools such as Monarch, YNAB, etc.
1:40.9	are great for creating a budget. However, for years, I've struggled to actually track
	...

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