I have a ChatGPT thread where I send screenshots of grocery receipts and have AI compare prices across stores and delivery services. Which store is cheaper? How much extra am I paying for delivery? Is going in person actually worth it? I find this stuff interesting but the differences are not enough to reorganize my life around. Except one. Yogurt.
My kids love yogurt and the ones they eat are 40% cheaper at Costco. The yogurt-nomics alone are enough to justify shopping mostly at Costco even with delivery.
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