Payments Giants Jack Fees on Amazon, Walmart to Four-Umph

Source: michaeljburry.substack.com

Michael Burry analyzes how Visa and Mastercard jacked up interchange fees - the cut they take from every swipe - on big retailers like Amazon and Walmart. He shows fees doubling to around 4% on these giants while staying flat elsewhere. It matters because these hidden taxes hit shoppers indirectly through higher prices and could ignite a bigger battle over who controls payments.