Dad & AIMay 5, 2026Post 013

My first real Claude prompt that actually saved me an hour.

field notes —

For a year I’ve been doing the AI thing wrong. Asking it riddles. Asking it to write things I already knew how to write. The breakthrough was small and embarrassingly obvious: give it the messy real thing and ask for the boring output.

The setup: side hustle taxes. A pile of eBay payouts, a CSV from PayPal, a Google Sheet I’d been pretending was a P&L. Three hours of staring before I caved.

“Here’s what I have. Here’s what I need. Don’t be clever, just be right.”

The prompt.

I pasted the CSV. I told Claude what each column meant. I said: I need a month-by-month total of net revenue, fees, and shipping costs, and I need to know what’s missing. That was it.

Forty seconds later I had a clean table. Two columns I didn’t know I was missing. One transaction that was clearly a duplicate. A suggested category breakdown that mostly made sense and one part that didn’t, which I corrected and re-ran.

What I learned.

You don’t need a system. You need a paragraph that’s specific about what you actually have and what you actually want. Specificity beats cleverness every time.

I packaged twenty of these in the prompt pack. They’re not magic. They just work.