[gshulegaard]

Not everyone has a Costco membership or a Costco near them. There also doesn't seem to be any indication that there is a pre-arranged pricing arrangement for Amazon like Costco.

Amazon is simply letting Hyundai dealerships list car inventory on Amazon, Amazon isn't selling the cars.

[mhb]

The cost of a Costco membership is negligible compared to the cost of a car or even just the potential savings.