Most spreadsheet templates are a place to write things down. You type it all in, and the thinking is still left to you.
I make spreadsheets that do the thinking part. You type in the yellow cells. The formulas work out the rest, and they are locked so a stray key cannot break them. Each one comes with sample data to learn from, copy-and-paste AI prompts for ChatGPT, Claude or Gemini, and a short guide that gets you from the sample to your own numbers.
The first shelf is for landlords: books that know who owes rent, keep deposits out of income, split the mortgage and add up Schedule E. Budgets, planners and project trackers are next, for anything from a wedding to a work project.
Every file is tested before it goes up. A script opens it in real Excel and checks its answers across hundreds of made-up cases. If anything is off, the file waits until it is right.
And yes, the name is a joke. The math is not.
Questions, or a spreadsheet you wish existed? Message me here on Etsy.