Here's an example of a Costco non-deal. Just got the email for the new month's sales. A Seagate 2TB external hard drive. Normally $85 at Costco, on sale for $65. Yet that's the same price that Amazon has, $65.
https://www.costco.com/.product.1003...8_0618_HotBuys
https://www.amazon.com/dp/B00FRHTTIA...aa_pcomp_aapi1
Have to comparison shop at Costco, just like anywhere else.