Dynamic pricing likely to be gamed by consumers, possibly leading to regulation (as with insurance) — consider daigou wrt baby formula and luxury goods: https://www.bloomberg.com/news/articles/2021-07-21/china-s-daigou-shoppers-who-buy-goods-overseas-get-grounded-by-pandemic

at the end of the day, it's a marketplace, and there should be multiple indexes (i.e. a prices being sold on Amazon vs smaller retailers) with varying liquidity that the store can choose what price to show (i.e. set a min and max etc) to the customer

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