https://image.businessinsider.com/5de0f7f4fd9db213327f6095?width=24&format=jpeg&auto=webp
"I just want to spend my money on your site... why is it so hard?" one Twitter user wrote to Costco on Thursday.AP Photo/Rick Bowmer

Costco extends its Thanksgiving Day promotions after its website crashed for several hours, preventing furious customers from shopping the deals

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Costco is extending its Thanksgiving Day online promotions to customers in the US after its website crashed for several hours and shoppers were unable to shop the sales.

Reports of its site issues first surfaced on Twitter on Thursday morning. By midmorning, the retailer, whose stores were closed in the US over Thanksgiving Day, added a banner to its website warning online shoppers that the site was "experiencing slow response times."

An updated banner now informs shoppers that the sales have been extended throughout Black Friday, "while supplies last."

It is not clear how much these website interruptions may have cost Costco. A company representative was not immediately available for comment when contacted by Business Insider.

But judging by the flurry of complaints that cropped up on Twitter throughout the day, it seems a good chunk of people were affected:

The Costco website in Canada has also had issues, but the retailer has not announced whether it will be extending its Thanksgiving deals for another day there too.

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