‘I Tracked Amazon’s Prime Day Prices. We’ve Been Played’

“Next time Amazon hypes its Prime Days savings, remember this: The prices during the sale aren’t always better,” writes a Washington Post technology columnist. “I’ve got the receipts to prove it.”

I would have saved, on average, almost nothing during Amazon’s recent fall “Prime Big Deal Days” — and for some big-ticket purchases, I would have actually paid amore. For the sale that took place Oct. 7 and 8, my family went in prepared. We had a shopping list with prices…