How can I extend my entry in Thailand for another 30 days?

To extend your stay in Thailand for another 30 days, you can apply for a tourism extension at your local immigration office if you entered as a tourist (either visa exempt or with a tourist visa). This extension can only be done once. The process is generally straightforward; often, you won't need to fill out many forms or wait long if you go at the right time. Alternatively, some suggest leaving the country and re-entering to reset your visa duration.