Coles Online went offline after a pricing glitch put alcohol on sale at nearly 80 percent off. A Reddit user shared the deal and shoppers hurried to purchase cases of drinks. The discount was roughly 80 percent off the regular price. The site became unresponsive as traffic spiked sharply. The incident occurred before the company released its earnings update. It came after a weekly market value loss of A$965 million. The Guardian detailed the disruption and 7NEWS reported on the customer rush. TechStock² highlighted the issue prior to the upcoming report.