Tools & Tutorials

The prompt trick reads one document. The Excel trick cleans what you already have. This one catches supplier invoices as they arrive, extracts the nine VAT fields, checks the arithmetic itself, and appends a clean row to your ledger — zero-touch after setup. Here's the exact six-node build.

Most finance professionals were handed a chatbot and told to figure it out — no manual, no warnings, no sense of where AI is genuinely useful versus where it will quietly embarrass you. This is the orientation that should have come first.

Most tax work isn't analysis — it's dragging a messy export into shape before you can file anything. Here's how I use Excel and an AI assistant to do the boring 80%, ending with three exact moves that turn a raw invoice dump into a VAT-ready CSV.

Keying numbers out of a VAT return by hand is a quiet time sink. Here's the prompt technique I use to pull every table, the schedule tax, and the totals in a single pass — with the form's own arithmetic checked back, and not one fabricated number.