Costco Deals on Appliances MORE than the Manufacturers selling price.

Costco Deals on Appliances MORE than the Manufacturers selling price.
I will delve into one example. At end of article, I will list others
Example model
Why is Costco selling this $70 more than others?
Even Samsung itself is selling it for only $779
I guess Costco Buyers are so lazy they did not even bother to get bulk discounts from the maker, or they hope their customers will not do any price comparisons.
Samsung 5.5 cu. ft. Extra-Large Capacity Smart Top Load Washer with Super Speed Wash
Samsung Model WA55A7300AE
$849 Costco Price
$749 Samsung.com , $778 Lowes, $780 Bestbuy, $ 778 Home Depot, $779 Queen City, $774 US Appliance. I tried to limit to the sellers who offered free delivery.
other models - not all are Samsung, Samsung was only the example.
GE GFW850SSNWW -
$1029.99 Costco
$949.00 GE's website followed by most others
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GE GFW850SSNWW
$1029.99 Costco
$949 GE's website, and most others
There were many others, you get the point.
Upon Speaking to a Costco Rep they stated it was because they offer free delivery and Haul away.
Yes, but so do most of the other major chains.