In patch 8.3 for Retail WoW, Blizzard introduced a throttle to the action of cancelling an auction. After approximately 50 cancels, the game will delay each cancel action for roughly 60 seconds.
More information: https://us.forums.blizzard.com/en/wow/t/auction-house-much-slower-today-june-16/556722/13
Why are my cancel scans very slow?
Super Administrator
Written By Gumdrops (Community Manager)
Updated at August 29th, 2021