The 3D printer nozzle swap that ruined my whole print week

Picked up a CHT knockoff on AliExpress for $14 last month and swapped it into my Ender 3 before a big 14-hour print. It clogged at hour 9 and wasted a whole roll of PLA+, plus I lost 3 more prints fighting with it before I figured out the heatbreak was the problem. Anyone else had a cheap upgrade turn into a full weekend of troubleshooting?

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