Latest / Budgeting for Beginners with Fexingo: Cash Envelopes, Apps, and Simple Money Tracking / The Budget Diary Experiment That Revealed My Blind Spots
Transcript
- Lucas: So I tried something this week that I thought was going to be a total waste of time. And it ended up being genuinely uncomfortable in a way I did not expect. Luna: Okay, I'm intrigued. What did you do? Lucas: I kept a budget diary. And I don't mean I glanced at my bank app at the end of the day. I mean I wrote down every single purchase I made — in real time — for seven days straight. Every coffee, every parking meter, every time I hit 'buy now' on Amazon. No rounding, no grouping. Just the raw number and what it was for. Luna: Did you use an app or just a notebook? Lucas: Started in a notebook, then switched to the notes app on my phone by day two because the notebook was too slow. But honestly the medium doesn't matter. What mattered was the friction of having to record it before I could move on with my day. Luna: I did something similar about two years ago. I used a simple spreadsheet on my phone. And I remember being mortified by how much I spent on snacks from the vending machine at work. Lucas: Right? That's exactly the kind of thing. For me, it was my morning coffee. I knew I bought coffee. I budget for coffee. But seeing '3.85, 3.85, 3.85, 3.85' in a list — four times that week — it hit differently than just knowing I spend about fifteen bucks a week. Luna: What was your biggest surprise? Lucas: It wasn't the coffee. It was the fact that I bought lunch out twice when I had leftovers in the office fridge. Each time it was like seven or eight dollars. And I didn't even register it as a decision because the transaction was small and I was in a hurry. The diary forced me to confront the gap between my plan and my actual behavior. Luna: That's the real value, I think. It's not about shaming yourself over a coffee. It's about noticing the pattern so you can decide if it's actually serving you. Lucas: Exactly. And here's the thing — I have been doing this budgeting show for almost forty episodes. I teach this stuff. And I still had blind spots. So if you're listening and you feel like your budget is okay but something still feels off, a one-week intensive diary might reveal it. Luna: How detailed did you get? Like did you track cash too? Lucas: I tried to. But honestly, cash is harder because there's no digital trail. I had to remember to write it down right when I got change. I think I missed a couple of small cash transactions. But even 90 percent coverage was enough to see the pattern. Luna: I find cash almost invisible in my budget. It leaves my wallet and I just... forget. Which is ironic because the whole envelope system is supposed to make cash more tangible. Lucas: Yeah, the envelope system works for some people, but the diary approach is different. It's not about restricting categories upfront. It's about observing your behavior first and then deciding what to change. Luna: And you only did it for a week? That seems short. Lucas: One week was enough to break the autopilot. After about day four, I started pausing before purchases because I knew I'd have to write it down. That pause alone saved me from a few impulse buys. And the awareness has lingered even after I stopped the diary. Luna: That reminds me of a study I read — I think it was from the Journal of Consumer Research — where people who tracked every expense for just two weeks reduced their overall spending by about 14 percent in the following month, even after they stopped tracking. Lucas: That's exactly the effect. It recalibrates your internal meter. Suddenly that six-dollar sandwich from the deli feels different because you've been forced to acknowledge it in real time. Luna: So what's your recommendation for someone who wants to try this? Specifics. Lucas: Pick seven consecutive days. Not a pay period, not a month — seven days. Use whatever tool is fastest for you: phone notes, a tiny notebook, a spreadsheet. The key is to record each transaction immediately, before you get distracted. At the end of each day, total it up. Don't judge yourself yet. Just observe. Luna: And then what? Lucas: At the end of the week, look for patterns. Are there categories where you spent more than you thought? Are there times of day where you tend to impulse buy? For me, it was late afternoon — that energy dip. I noticed I'd buy a snack or a soda almost every day around 3 p.m. Luna: Knowing that, you could plan for it. Bring a snack from home, or budget that specific amount. Lucas: Right. And that's the whole point. The diary doesn't tell you what to do. It just shows you what you're actually doing. Then you get to decide. Luna: I think this is one of those exercises that sounds too simple to work, but it really does rewire something. Lucas: It does. And look, if our money conversations on this show have ever helped you think about a decision differently, or if you've tried something like this diary and it worked for you, we'd love to hear about it. And if you ever feel like supporting the show so we can keep it ad-free and focused on real tools like this, you can find us at buy me a coffee dot com slash fexingo. No pressure at all — just a way to keep this going. Luna: Yeah, we really appreciate everyone who listens. It's what keeps us doing this. Lucas: So back to the diary — one thing I want to emphasize: don't try to change your behavior during the week. Just observe. The awareness alone will nudge you, but the real analysis comes after. Luna: What if someone doesn't have a full week? Could they do three days? Lucas: Three days is better than nothing. But a full week captures the weekend vs weekday difference, which can be huge. My Saturday spending looked completely different from my Tuesday spending. If you only tracked Tuesday through Thursday, you'd miss that. Luna: That's a good point. Weekends have a different rhythm. Lucas: Another thing I noticed — I spent more on days when I was tired or stressed. That was a pattern I would never have seen without the diary because the purchases were small and scattered. But when I lined them up, three of my four highest spending days were days I had poor sleep the night before. Luna: So it's not just a budgeting tool. It's a kind of self-awareness practice. Lucas: Exactly. And that's why I think it works even for people who've been budgeting for years. Our habits evolve. What was true six months ago might not be true now. A periodic refresh — even just one week every quarter — can keep you honest. Luna: I might do it again myself. It's been a while since I tracked at that granular level. Lucas: If you do, let me know what you find. I bet you'll discover something that surprises you. I know I did. Luna: Alright, I'm in. Starting tomorrow. Lucas: Great. And for everyone listening, if you try it, we'd love to hear your biggest surprise. You can reach us on the show's social channels. Until next time, keep your eyes open and your notebook handy. Luna: See you next episode.