@Kool ******
ANY income gained inside Thailand other than interest /gains from your bank accounts (which is taxed right away) is illegal.
So you own a condo and rent it out, air bnb pays your off shore account, you don't register TM30 or Vat or any govt tax etc.
No one rats you out.....but piss off the wrong person.
There are grey areas in all things, what you do behind closed doors is your business.
Is it worth the risk is up to you.
Personally not a chance I'll mess with my retirement.