~6 min read
I had a few dozen things to sell, mostly Warhammer models, and a spreadsheet describing them. Facebook Marketplace wanted each one typed into a form, one at a time: title, price, category, condition, description, photos. None of it is hard. All of it is repetitive, and repetition is exactly what a computer should be doing for me. So I started building a Chrome extension to do the typing, and the first decision was about what it must not do.
The rule everything else hangs off
The 
