Just a heads up for anyone in Bangkok that needs to go to Chaengwattana for a visa extension, 378 people ahead of me when I arrived. Its pretty insane. I'll be lucky if I leave by 8pm
TLDR : Answer Summary
A user shares their experience of waiting in a long line with 378 people ahead for a visa extension at Chaengwattana in Bangkok. They mention the possibility of not leaving until late evening, suggesting that arriving early is crucial to avoid long waits.