How long does it typically take to process a 30-day tourist visa extension in Thailand?

The time it takes to get a 30-day tourist visa extension in Thailand varies depending on several factors such as the number of people at the immigration office, the officer on duty, and the completeness of your paperwork. Generally, it can take anywhere from 10 minutes to a few hours, with some reports indicating it could also take up to 35 days in certain circumstances.