Guess we all need a paper trail to shame us into acting right. Mark_ward's phone trick sounds like the same kind of painful honesty. My notebook is basically a receipt graveyard for my bad choices.
My cousin Laura told me to try the envelope system, but I found that just writing things down was way more effective for me. I grabbed a simple notebook and logged every coffee, snack, and impulse buy for a whole month. Seeing I was dropping over $50 a week just on random snacks was a real wake-up call! Cutting back on those small buys saved me $200 a month without much effort. There's something about writing it yourself that makes the spending feel real and helps you stop. I still use that notebook method today because it turned my messy spending into actual savings.
Yeah, tracking stuff on paper really does make it stick. I tried logging my screen time in a notebook for a week and was shocked to see I spent like 3 hours a day just scrolling through social media. Felt so wasteful, kinda like your snack buys. Started setting my phone across the room during work, and now I get way more done.