Cambodia and Vietnam are much laxer in this regard but also don't offer the same standard of living.
How could they catch you and what are the penalties, do you know? Any anecdotes you could share?
Been thinking about hanging out in SEA doing remote work for a few months, would like to know the real situation.
If you're just there on the 30-day exemption you're probably ok, particularly if you've never been to Thailand before.
Cambodia and Vietnam are much laxer in this regard. Technically you're not supposed to be working in either of those places either without a permit but I've never heard of anyone having issues.
http://www.thaivisa.com/forum/topic/744129-denied-entry-at-k...
Hua Hin authorities also just declared that foreigners must carry original passports at all times. I definitely don't like the way this recent visa crackdown has been going and have canceled my own plans to visit.