Best Buy made a come back by offering price matching.
the sample is too small to say for sure, but I suspect they commission custom runs of things like flash drives that would be too cheap to profit off of if they were actually exposed to matching Amazon prices.
https://consumerist.com/2007/02/best-buys-secret-employee-on...
https://www.nytimes.com/2017/09/18/business/best-buy-amazon....